{
    "type":"Feature",
    "properties":{
        "fid":21,
        "uri":"https://geoconnex.us/ref/sec_hydrg_reg/S57",
        "id":"S57",
        "shr":"Illinois Basin",
        "primarylit":"Sedimentary",
        "type":"YY",
        "geologicpr":"Central Interior",
        "subprovinc":"Glaciated"
    },
    "id":"S57",
    "geometry":{
        "type":"MultiPolygon",
        "coordinates":[
            [
                [
                    [
                        -86.94156254765916,
                        37.096953201871216
                    ],
                    [
                        -86.78145546839166,
                        37.14463816559485
                    ],
                    [
                        -86.85778049726376,
                        37.101115850135066
                    ],
                    [
                        -86.94156254765916,
                        37.096953201871216
                    ]
                ]
            ],
            [
                [
                    [
                        -86.2778445347803,
                        37.22728630108594
                    ],
                    [
                        -86.2745212641749,
                        37.31196563959549
                    ],
                    [
                        -86.2001783760525,
                        37.352750113440194
                    ],
                    [
                        -86.09700709181737,
                        37.332414207066876
                    ],
                    [
                        -86.04801853008175,
                        37.28761740517769
                    ],
                    [
                        -86.2778445347803,
                        37.22728630108594
                    ]
                ]
            ],
            [
                [
                    [
                        -85.98828101772904,
                        37.340415774679265
                    ],
                    [
                        -85.86463426815799,
                        37.369474110764465
                    ],
                    [
                        -85.92802444482518,
                        37.32527704312946
                    ],
                    [
                        -85.98828101772904,
                        37.340415774679265
                    ]
                ]
            ],
            [
                [
                    [
                        -86.1844723073298,
                        37.363685558395844
                    ],
                    [
                        -86.24726126397924,
                        37.407901640492874
                    ],
                    [
                        -86.28729226322278,
                        37.32420764014717
                    ],
                    [
                        -86.34828226380341,
                        37.27827863983756
                    ],
                    [
                        -86.34285726347385,
                        37.4403646400407
                    ],
                    [
                        -86.47074126338867,
                        37.3902096402975
                    ],
                    [
                        -86.50695826367168,
                        37.432838640474394
                    ],
                    [
                        -86.63167526435043,
                        37.50152163999777
                    ],
                    [
                        -86.77481126410551,
                        37.5451586402985
                    ],
                    [
                        -86.68963394220212,
                        37.582279277065666
                    ],
                    [
                        -86.53872390832103,
                        37.51313152497218
                    ],
                    [
                        -86.23903792503954,
                        37.46044204662175
                    ],
                    [
                        -86.17100995116476,
                        37.422221593596994
                    ],
                    [
                        -86.1844723073298,
                        37.363685558395844
                    ]
                ]
            ],
            [
                [
                    [
                        -90.23813803829451,
                        38.73090407136413
                    ],
                    [
                        -90.24759355998307,
                        38.72421707034547
                    ],
                    [
                        -90.29024077402798,
                        38.65175588010843
                    ],
                    [
                        -90.36377903773075,
                        38.622736264953
                    ],
                    [
                        -90.39847031347922,
                        38.62775868728639
                    ],
                    [
                        -90.42579243482565,
                        38.624283323971625
                    ],
                    [
                        -90.43851026254896,
                        38.61767337532162
                    ],
                    [
                        -90.47197400349071,
                        38.61467719499413
                    ],
                    [
                        -90.48049541776213,
                        38.63391033361375
                    ],
                    [
                        -90.47385108887302,
                        38.717633433311605
                    ],
                    [
                        -90.4341464597484,
                        38.79170951837195
                    ],
                    [
                        -90.39289387686972,
                        38.79942686523495
                    ],
                    [
                        -90.3322311143705,
                        38.845536838390586
                    ],
                    [
                        -90.32559112196414,
                        38.84695522645534
                    ],
                    [
                        -90.314710502117,
                        38.845414612373524
                    ],
                    [
                        -90.31273152592418,
                        38.8448097033287
                    ],
                    [
                        -90.2254469027355,
                        38.791222823388736
                    ],
                    [
                        -90.23813803829451,
                        38.73090407136413
                    ]
                ]
            ],
            [
                [
                    [
                        -90.83283564674149,
                        39.84526385323805
                    ],
                    [
                        -90.80900105127492,
                        39.784827099947016
                    ],
                    [
                        -90.73358614765306,
                        39.73602409902109
                    ],
                    [
                        -90.86354338518929,
                        39.71115707196273
                    ],
                    [
                        -90.87031374745825,
                        39.7112297523348
                    ],
                    [
                        -90.90430701647733,
                        39.675338227704984
                    ],
                    [
                        -90.9081900736377,
                        39.67384843332863
                    ],
                    [
                        -90.98192204637715,
                        39.72304928642561
                    ],
                    [
                        -91.00318832740547,
                        39.780743338792426
                    ],
                    [
                        -91.00457580862869,
                        39.78426554423997
                    ],
                    [
                        -91.01531318015465,
                        39.79611135426444
                    ],
                    [
                        -91.01962537967532,
                        39.799337650415076
                    ],
                    [
                        -91.13078492997359,
                        39.79672401817693
                    ],
                    [
                        -91.22888791251212,
                        39.85603014588411
                    ],
                    [
                        -91.15941813121366,
                        39.93646057438072
                    ],
                    [
                        -90.90428926823733,
                        39.83934764271414
                    ],
                    [
                        -90.83283564674149,
                        39.84526385323805
                    ]
                ]
            ],
            [
                [
                    [
                        -90.82721975584464,
                        39.90381350428467
                    ],
                    [
                        -90.92321826808254,
                        39.8827816425607
                    ],
                    [
                        -91.12331805187848,
                        39.98219818673503
                    ],
                    [
                        -91.08060283385291,
                        39.966469459492345
                    ],
                    [
                        -91.06474905211603,
                        39.96020133428457
                    ],
                    [
                        -90.98086747471187,
                        39.927429184007174
                    ],
                    [
                        -90.9656628978817,
                        39.92152642364041
                    ],
                    [
                        -90.82721975584464,
                        39.90381350428467
                    ]
                ]
            ],
            [
                [
                    [
                        -88.25396726526476,
                        39.91371164244238
                    ],
                    [
                        -88.21205926601628,
                        39.84480264267302
                    ],
                    [
                        -88.19510626593409,
                        39.71371864236859
                    ],
                    [
                        -88.26007826605827,
                        39.705547642264555
                    ],
                    [
                        -88.35634626607911,
                        39.80625564268705
                    ],
                    [
                        -88.33271026574734,
                        39.916068642493116
                    ],
                    [
                        -88.25396726526476,
                        39.91371164244238
                    ]
                ],
                [
                    [
                        -88.28437826578913,
                        39.76977964242653
                    ],
                    [
                        -88.23851726515932,
                        39.8019786424929
                    ],
                    [
                        -88.27609226601754,
                        39.89016364217735
                    ],
                    [
                        -88.32744626568753,
                        39.88031364224101
                    ],
                    [
                        -88.28437826578913,
                        39.76977964242653
                    ]
                ]
            ],
            [
                [
                    [
                        -90.66235337510518,
                        39.99018480809721
                    ],
                    [
                        -90.86879351266397,
                        39.94472538436371
                    ],
                    [
                        -90.95451444303302,
                        39.9489654467327
                    ],
                    [
                        -91.06396023328615,
                        40.000723409357256
                    ],
                    [
                        -91.0880950454867,
                        40.01257748940258
                    ],
                    [
                        -91.09883833188303,
                        40.018031404658075
                    ],
                    [
                        -91.16061364103645,
                        40.07706057123853
                    ],
                    [
                        -91.10875620546841,
                        40.13883262832865
                    ],
                    [
                        -91.1571210952209,
                        40.18819641527231
                    ],
                    [
                        -91.04006226874749,
                        40.208244642619135
                    ],
                    [
                        -90.99536425967638,
                        40.24498807337781
                    ],
                    [
                        -90.96725319075578,
                        40.25573509613318
                    ],
                    [
                        -90.89950526749365,
                        40.23746864291592
                    ],
                    [
                        -90.81088084793392,
                        40.153029361536205
                    ],
                    [
                        -90.80920134125475,
                        40.1204889079629
                    ],
                    [
                        -90.66235337510518,
                        39.99018480809721
                    ]
                ]
            ],
            [
                [
                    [
                        -89.72421665660201,
                        41.4602368443585
                    ],
                    [
                        -89.69087671248717,
                        41.443358852010505
                    ],
                    [
                        -89.67099026709339,
                        41.402377643910015
                    ],
                    [
                        -89.54844626712722,
                        41.374019643544976
                    ],
                    [
                        -89.44362626630877,
                        41.47362164342149
                    ],
                    [
                        -89.37503026611432,
                        41.507716643816295
                    ],
                    [
                        -89.19612126644395,
                        41.47887064376516
                    ],
                    [
                        -89.19408607214815,
                        41.51556914655295
                    ],
                    [
                        -89.17058329538764,
                        41.50258691884028
                    ],
                    [
                        -89.0478512666717,
                        41.297431643287815
                    ],
                    [
                        -88.96764326618019,
                        41.28543064327929
                    ],
                    [
                        -88.90307921134085,
                        41.34796049736112
                    ],
                    [
                        -88.9553787233119,
                        41.379205856238485
                    ],
                    [
                        -88.82930726617639,
                        41.39014064365896
                    ],
                    [
                        -88.71134226661758,
                        41.3512196436141
                    ],
                    [
                        -88.70833779073173,
                        41.42761120249905
                    ],
                    [
                        -88.57571220360293,
                        41.443268003479695
                    ],
                    [
                        -88.43417105868424,
                        41.399223914472444
                    ],
                    [
                        -88.36988894817497,
                        41.37125298729916
                    ],
                    [
                        -88.32530572201652,
                        41.37078441589719
                    ],
                    [
                        -88.2338780028621,
                        41.341532704701535
                    ],
                    [
                        -88.1854611391557,
                        41.267760003314116
                    ],
                    [
                        -88.16869196275313,
                        41.09490798923824
                    ],
                    [
                        -88.12074573479309,
                        40.95971352272791
                    ],
                    [
                        -88.06175730819837,
                        40.86057410333418
                    ],
                    [
                        -87.96642323531572,
                        40.83011493688721
                    ],
                    [
                        -87.90857215919449,
                        40.77465484231963
                    ],
                    [
                        -87.86750826482145,
                        40.71514864313534
                    ],
                    [
                        -87.7416326013316,
                        40.70926251150322
                    ],
                    [
                        -87.60340686127698,
                        40.684958815056234
                    ],
                    [
                        -87.57410708437843,
                        40.645750431911296
                    ],
                    [
                        -87.66286708227837,
                        40.57402685503908
                    ],
                    [
                        -87.74758204361373,
                        40.63405218553134
                    ],
                    [
                        -87.83503364355724,
                        40.63170642185583
                    ],
                    [
                        -87.86782177112826,
                        40.673689143754515
                    ],
                    [
                        -87.95636159938641,
                        40.637942689958685
                    ],
                    [
                        -87.98468440155936,
                        40.690549048048375
                    ],
                    [
                        -88.00583933971608,
                        40.730015063649454
                    ],
                    [
                        -88.16663731901545,
                        40.69972889260847
                    ],
                    [
                        -88.19008891406281,
                        40.68597863027124
                    ],
                    [
                        -88.26663033938793,
                        40.64159149779569
                    ],
                    [
                        -88.34943426617008,
                        40.60356864329076
                    ],
                    [
                        -88.47614326552589,
                        40.39950964271994
                    ],
                    [
                        -88.45588726540424,
                        40.194011642749786
                    ],
                    [
                        -88.42228079100069,
                        40.20692439131214
                    ],
                    [
                        -88.38735410428401,
                        40.17518094002468
                    ],
                    [
                        -88.2387203664278,
                        40.23042782972695
                    ],
                    [
                        -88.18054129565004,
                        40.188450065206496
                    ],
                    [
                        -88.13525063628259,
                        40.1407956241355
                    ],
                    [
                        -88.07778858573857,
                        40.18695553824063
                    ],
                    [
                        -88.06809272838258,
                        40.22625894497127
                    ],
                    [
                        -87.97592732789715,
                        40.34550590620672
                    ],
                    [
                        -87.88355400305747,
                        40.42797693708281
                    ],
                    [
                        -87.7815022653491,
                        40.43263664284999
                    ],
                    [
                        -87.678459527753,
                        40.472552743278236
                    ],
                    [
                        -87.64146483661106,
                        40.480540834195196
                    ],
                    [
                        -87.61919513553102,
                        40.4815678502054
                    ],
                    [
                        -87.50027815232202,
                        40.49303594399194
                    ],
                    [
                        -87.31577726185525,
                        40.43604535665131
                    ],
                    [
                        -87.1395091335189,
                        40.14794883272859
                    ],
                    [
                        -87.20476219392593,
                        40.06806549059982
                    ],
                    [
                        -87.20119782996937,
                        40.02547714937128
                    ],
                    [
                        -87.06937598827444,
                        39.98614969410554
                    ],
                    [
                        -87.07541879684189,
                        39.943874911348885
                    ],
                    [
                        -87.08726949704071,
                        39.872236540827984
                    ],
                    [
                        -87.05682163492429,
                        39.81962776544545
                    ],
                    [
                        -86.98157580216547,
                        39.8141167788737
                    ],
                    [
                        -86.95236409078566,
                        39.76137758210345
                    ],
                    [
                        -86.9942930156964,
                        39.70690355386068
                    ],
                    [
                        -86.98717526495393,
                        39.6206586421483
                    ],
                    [
                        -87.01431226466654,
                        39.41742664179692
                    ],
                    [
                        -86.85184361601124,
                        39.42745485516075
                    ],
                    [
                        -86.90375892387303,
                        39.28392663765451
                    ],
                    [
                        -86.9300650146812,
                        39.155433845359234
                    ],
                    [
                        -86.89231581277375,
                        39.081544237605115
                    ],
                    [
                        -86.83412163265386,
                        39.06860050690854
                    ],
                    [
                        -86.82749965640781,
                        39.06788793735004
                    ],
                    [
                        -86.84149465142362,
                        39.03113625928837
                    ],
                    [
                        -86.85865635294647,
                        39.02547230852097
                    ],
                    [
                        -86.85442310161051,
                        38.992730627488214
                    ],
                    [
                        -86.84929712951546,
                        38.99181659455891
                    ],
                    [
                        -86.75274277511937,
                        38.92481419982562
                    ],
                    [
                        -86.82385607059257,
                        38.691120044119394
                    ],
                    [
                        -86.60802305075484,
                        38.70199288905349
                    ],
                    [
                        -86.76652195317047,
                        38.62317636743723
                    ],
                    [
                        -86.74493285697494,
                        38.584909782889426
                    ],
                    [
                        -86.64940800145551,
                        38.572067508951534
                    ],
                    [
                        -86.62420135831643,
                        38.54219761772233
                    ],
                    [
                        -86.64365738160447,
                        38.48898409760013
                    ],
                    [
                        -86.73051927233905,
                        38.46048912529608
                    ],
                    [
                        -86.69756532619837,
                        38.375504101871734
                    ],
                    [
                        -86.54788741265506,
                        38.338266538086344
                    ],
                    [
                        -86.5843913468867,
                        38.217707187373684
                    ],
                    [
                        -86.58160607258219,
                        38.09291920697715
                    ],
                    [
                        -86.68535777950778,
                        37.98305941273083
                    ],
                    [
                        -86.69989998580888,
                        37.87117026965973
                    ],
                    [
                        -86.59559885584625,
                        37.684232265850895
                    ],
                    [
                        -86.59290736264343,
                        37.644404042017676
                    ],
                    [
                        -86.66253626402734,
                        37.679328639989045
                    ],
                    [
                        -86.69666326456317,
                        37.827445640828486
                    ],
                    [
                        -86.79630326462916,
                        37.987357640257954
                    ],
                    [
                        -87.04064926397383,
                        37.899761640712036
                    ],
                    [
                        -87.07093826390825,
                        37.80141064061787
                    ],
                    [
                        -87.24144026442487,
                        37.85745664043725
                    ],
                    [
                        -87.39427926480076,
                        37.9391706404719
                    ],
                    [
                        -87.5121992652703,
                        37.90696764059355
                    ],
                    [
                        -87.58065026536653,
                        37.966075640592884
                    ],
                    [
                        -87.62789926519594,
                        37.923541640173866
                    ],
                    [
                        -87.60452226551833,
                        37.840526640332804
                    ],
                    [
                        -87.6652222651357,
                        37.826900640196705
                    ],
                    [
                        -87.68463926526165,
                        37.90300364028422
                    ],
                    [
                        -87.79264826483346,
                        37.87598464026632
                    ],
                    [
                        -87.90512826586512,
                        37.924301640179884
                    ],
                    [
                        -87.93640926536196,
                        37.892005640834704
                    ],
                    [
                        -87.90856926473771,
                        37.80896364034183
                    ],
                    [
                        -88.11817126541605,
                        37.71045664030864
                    ],
                    [
                        -88.15670826537362,
                        37.64838764006389
                    ],
                    [
                        -88.12842016256226,
                        37.57723376704737
                    ],
                    [
                        -88.18653497843134,
                        37.52884443256443
                    ],
                    [
                        -88.27617149283988,
                        37.61192256617893
                    ],
                    [
                        -88.38979113556677,
                        37.623905292007294
                    ],
                    [
                        -88.41680574310838,
                        37.54169917432133
                    ],
                    [
                        -88.44327108450024,
                        37.5142058820429
                    ],
                    [
                        -88.54506666829795,
                        37.41908829551059
                    ],
                    [
                        -88.6761686970264,
                        37.418066632063464
                    ],
                    [
                        -88.57072016640124,
                        37.511903466664805
                    ],
                    [
                        -88.73056597070745,
                        37.513630062227385
                    ],
                    [
                        -88.76956332558413,
                        37.47283535978981
                    ],
                    [
                        -88.94871402976892,
                        37.493630901066844
                    ],
                    [
                        -89.06468146566242,
                        37.556333254536895
                    ],
                    [
                        -89.2026057106592,
                        37.57273454238792
                    ],
                    [
                        -89.24597127096334,
                        37.62126075091552
                    ],
                    [
                        -89.382811404111,
                        37.64863817960999
                    ],
                    [
                        -89.45266049165556,
                        37.70236457631909
                    ],
                    [
                        -89.45742556467857,
                        37.70818775341741
                    ],
                    [
                        -89.51931753211163,
                        37.80359808841309
                    ],
                    [
                        -89.69146300569594,
                        37.868455993503574
                    ],
                    [
                        -89.72762626360019,
                        37.95256788128339
                    ],
                    [
                        -89.88302542206358,
                        37.99647564809826
                    ],
                    [
                        -89.84396843064074,
                        38.04887771503033
                    ],
                    [
                        -89.92217058764953,
                        38.24166562077235
                    ],
                    [
                        -89.97534389241868,
                        38.25514805228707
                    ],
                    [
                        -90.00531471308074,
                        38.327408609195246
                    ],
                    [
                        -90.1158238742029,
                        38.402925739544
                    ],
                    [
                        -90.10860482144466,
                        38.56277148681698
                    ],
                    [
                        -90.04836519117329,
                        38.663514476629096
                    ],
                    [
                        -90.02557403371308,
                        38.746672130553975
                    ],
                    [
                        -90.04250214790902,
                        38.80889999341558
                    ],
                    [
                        -90.2032546130755,
                        38.98114183229434
                    ],
                    [
                        -90.26105843165124,
                        39.070353559225204
                    ],
                    [
                        -90.36517854681772,
                        39.10618557877258
                    ],
                    [
                        -90.31271178889882,
                        39.277969781542616
                    ],
                    [
                        -90.39854432747778,
                        39.34908694633644
                    ],
                    [
                        -90.36946273865603,
                        39.403601095670844
                    ],
                    [
                        -90.35252750184623,
                        39.45902509491579
                    ],
                    [
                        -90.48810157145266,
                        39.487881497853266
                    ],
                    [
                        -90.41389692424264,
                        39.60460280860964
                    ],
                    [
                        -90.39782595414096,
                        39.66993032890576
                    ],
                    [
                        -90.49889614736844,
                        39.75127932736904
                    ],
                    [
                        -90.50552464197972,
                        39.80475622938149
                    ],
                    [
                        -90.44612153023958,
                        39.8827773665526
                    ],
                    [
                        -90.35059326726906,
                        39.98568364261849
                    ],
                    [
                        -90.22671526684705,
                        40.03494664273749
                    ],
                    [
                        -90.14618726687941,
                        40.14686164259897
                    ],
                    [
                        -90.04611926786802,
                        40.23238364252182
                    ],
                    [
                        -89.93106826743586,
                        40.2852286429205
                    ],
                    [
                        -89.8411712673632,
                        40.28783464247662
                    ],
                    [
                        -89.83917279028195,
                        40.339599223168086
                    ],
                    [
                        -89.90990396095016,
                        40.427311812331965
                    ],
                    [
                        -89.98101252617131,
                        40.43061702227767
                    ],
                    [
                        -90.07998662776373,
                        40.34419379135671
                    ],
                    [
                        -90.16849943591271,
                        40.31733861044213
                    ],
                    [
                        -90.29445040326367,
                        40.19384007873603
                    ],
                    [
                        -90.37975950446996,
                        40.16981170243982
                    ],
                    [
                        -90.60239541274778,
                        40.0444047138967
                    ],
                    [
                        -90.66218320557282,
                        40.096471871063166
                    ],
                    [
                        -90.6584259028323,
                        40.17758710574183
                    ],
                    [
                        -90.71636097800635,
                        40.184289729101245
                    ],
                    [
                        -90.76899791642215,
                        40.316037398750744
                    ],
                    [
                        -90.75381692416657,
                        40.36671196001287
                    ],
                    [
                        -90.6833457183694,
                        40.452643884872195
                    ],
                    [
                        -90.70300862935802,
                        40.446423101857505
                    ],
                    [
                        -90.7370291580536,
                        40.4312864825829
                    ],
                    [
                        -90.77507421246607,
                        40.41384503687495
                    ],
                    [
                        -90.81707074759468,
                        40.39895376046126
                    ],
                    [
                        -90.86215768026092,
                        40.4074920006728
                    ],
                    [
                        -90.88510604914107,
                        40.42238783771802
                    ],
                    [
                        -90.94285780362003,
                        40.4734093681977
                    ],
                    [
                        -90.96387019680418,
                        40.60576150910804
                    ],
                    [
                        -90.95185826836364,
                        40.663940642787594
                    ],
                    [
                        -90.81848926829021,
                        40.7735406430816
                    ],
                    [
                        -90.57550826802435,
                        40.76777664292191
                    ],
                    [
                        -90.67042302282286,
                        40.8743772015585
                    ],
                    [
                        -90.6628805384075,
                        40.892355458476345
                    ],
                    [
                        -90.66869935965198,
                        40.91006495700567
                    ],
                    [
                        -90.65110215995283,
                        40.95006655314862
                    ],
                    [
                        -90.64476825689047,
                        40.95566859812646
                    ],
                    [
                        -90.61833884509814,
                        41.01196064061482
                    ],
                    [
                        -90.66643376194601,
                        41.063702198766386
                    ],
                    [
                        -90.67692575846993,
                        41.13752573188448
                    ],
                    [
                        -90.79282569738277,
                        41.19290266260202
                    ],
                    [
                        -90.87526267951479,
                        41.27260578331567
                    ],
                    [
                        -90.92509824975096,
                        41.36799578415517
                    ],
                    [
                        -90.9147332405503,
                        41.416119060074784
                    ],
                    [
                        -90.58822626827649,
                        41.441188643466
                    ],
                    [
                        -90.55788213726365,
                        41.457535833605824
                    ],
                    [
                        -90.43137828112906,
                        41.505436116088575
                    ],
                    [
                        -90.363426267652,
                        41.501823644220465
                    ],
                    [
                        -90.11417426675926,
                        41.55799464385515
                    ],
                    [
                        -89.98522926777511,
                        41.559852643627195
                    ],
                    [
                        -89.83800526757757,
                        41.485660644161555
                    ],
                    [
                        -89.72421665660201,
                        41.4602368443585
                    ]
                ],
                [
                    [
                        -88.77578234799462,
                        41.251674107507796
                    ],
                    [
                        -88.93356042215599,
                        41.258697892347165
                    ],
                    [
                        -88.95467140951914,
                        41.22300600068486
                    ],
                    [
                        -88.92139426595507,
                        41.19829964353374
                    ],
                    [
                        -88.77578234799462,
                        41.251674107507796
                    ]
                ],
                [
                    [
                        -88.23755626589268,
                        39.65323664186031
                    ],
                    [
                        -88.16592426505723,
                        39.70146964219959
                    ],
                    [
                        -88.15686026573492,
                        39.75936864206338
                    ],
                    [
                        -88.21853626566649,
                        39.91478764215208
                    ],
                    [
                        -88.259109265384,
                        39.95392964264212
                    ],
                    [
                        -88.3537602657181,
                        39.94604464237314
                    ],
                    [
                        -88.3986362651855,
                        39.86024064210356
                    ],
                    [
                        -88.36090126583537,
                        39.77358264194497
                    ],
                    [
                        -88.23755626589268,
                        39.65323664186031
                    ]
                ]
            ],
            [
                [
                    [
                        -89.4070408489116,
                        41.618394223668446
                    ],
                    [
                        -89.42504843057267,
                        41.604826028016255
                    ],
                    [
                        -89.46608092282445,
                        41.61507088420918
                    ],
                    [
                        -89.54856437253561,
                        41.748865168974774
                    ],
                    [
                        -89.5098224767156,
                        41.75723657443394
                    ],
                    [
                        -89.38229567886208,
                        41.699224028137685
                    ],
                    [
                        -89.4070408489116,
                        41.618394223668446
                    ]
                ]
            ]
        ]
    },
    "prev":"S56",
    "next":"S58",
    "links":[
        {
            "type":"application/json",
            "rel":"root",
            "title":"The landing page of this server as JSON",
            "href":"https://reference.geoconnex.us?f=json"
        },
        {
            "type":"text/html",
            "rel":"root",
            "title":"The landing page of this server as HTML",
            "href":"https://reference.geoconnex.us?f=html"
        },
        {
            "rel":"self",
            "type":"application/geo+json",
            "title":"This document as JSON",
            "href":"https://geoconnex.us/ref/sec_hydrg_reg/S57?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://geoconnex.us/ref/sec_hydrg_reg/S57?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://geoconnex.us/ref/sec_hydrg_reg/S57?f=html"
        },
        {
            "rel":"collection",
            "type":"application/json",
            "title":"USGS Secondary Hydrogeologic Regions",
            "href":"https://reference.geoconnex.us/collections/sec_hydrg_reg"
        },
        {
            "rel":"prev",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/sec_hydrg_reg/items/S56?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/sec_hydrg_reg/items/S58?f=json"
        }
    ]
}