USGS National Aquifers

Map
Limit:
Items
uri fid aq_code rock_name valid_states gis_data2 link rock_type sameas gis_metadata gis_data gis_metadata2
https://geoconnex.us/ref/nat_aq/N100BSNRGB 1 101 Unconsolidated sand and gravel aquifers Arizona, California, Idaho,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100CACSTL 2 103 Unconsolidated sand and gravel aquifers California https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100CMBPLB 3 116 Unconsolidated sand and gravel aquifers Idaho, Oregon, Washington https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100HGHPLN 4 107 Unconsolidated sand and gravel aquifers Colorado, Kansas, Nebraska, New... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100MSRVVL 5 109 Unconsolidated sand and gravel aquifers Arkansas, Illinois, Kentucky,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100PCFNWB 6 104 Unconsolidated sand and gravel aquifers California, Idaho, Nevada,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100PCFNWV 7 610 Igneous and metamorphic-rock aquifers California, Idaho, Montana,... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aquif... 600 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100PCSRVR 8 108 Unconsolidated sand and gravel aquifers New Mexico, Texas https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100SYMOUR 9 110 Unconsolidated sand and gravel aquifers Texas https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N100WLMLWD 10 115 Unconsolidated sand and gravel aquifers Oregon, Washington https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300ADAVMS 11 307 Sandstone aquifers Oklahoma https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300CNRLOK 12 306 Sandstone aquifers Oklahoma https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300COPLTS 13 301 Sandstone aquifers Arizona, Colorado, New Mexico,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300ERLMZC 14 308 Sandstone aquifers Connecticut, Maryland,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300JCBSVL 15 313 Sandstone aquifers Michigan, Wisconsin https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300LCRTCS 16 304 Sandstone aquifers Iowa, Kansas, Minnesota,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300LTRTRY 17 314 Sandstone aquifers Montana, North Dakota, South... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300MRSHLL 18 311 Sandstone aquifers Michigan https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300NYSDSN 19 309 Sandstone aquifers New York https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300PNSLVN 20 310 Sandstone aquifers Alabama, Georgia, Illinois,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300RSHSPG 21 305 Sandstone aquifers Oklahoma https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N300UPCTCS 22 315 Sandstone aquifers Montana, North Dakota, South... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400ABKSMP 23 407 Carbonate-rock aquifers Oklahoma https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400BISCYN 24 414 Carbonate-rock aquifers Florida https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400BLAINE 25 406 Carbonate-rock aquifers Oklahoma, Texas https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400BSNRGC 26 401 Carbonate-rock aquifers Arizona, California, Idaho, Nevada, Utah https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400CSLHYN 27 418 Carbonate-rock aquifers North Carolina https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400KNGSHL 28 420 Carbonate-rock aquifers Virgin Islands https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400NYNECB 29 416 Carbonate-rock aquifers Connecticut, Maine,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400ORDVCN 30 411 Carbonate-rock aquifers Kentucky, Tennessee https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400PDMBRC 31 417 Carbonate-rock aquifers Maryland, New Jersey, North... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400PDMBRX 32 611 Igneous and metamorphic-rock aquifers Alabama, Delaware, District of... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 600 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400SLRDVN 33 410 Carbonate-rock aquifers Illinois, Indiana, Iowa,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N400UPCRBN 34 412 Carbonate-rock aquifers Iowa, Minnesota https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N500MSSPPI 35 503 Sandstone and carbonate-rock aquifers Alabama, Illinois, Indiana,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 500 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N500PLOZOC 36 504 Sandstone and carbonate-rock aquifers Minnesota, Montana, North... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 500 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N500VLYRDG 37 505 Sandstone and carbonate-rock aquifers Alabama, Georgia, Maryland, New... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 500 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N600CMBPLV 38 607 Igneous and metamorphic-rock aquifers Idaho, Oregon, Washington https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 600 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N600HIVLCC 39 608 Igneous and metamorphic-rock aquifers Hawaii https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 600 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N600SKRVPB 40 117 Unconsolidated sand and gravel aquifers Idaho, Oregon https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N600SKRVPV 41 606 Igneous and metamorphic-rock aquifers Idaho, Oregon https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 600 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N600SRNVDV 42 601 Igneous and metamorphic-rock aquifers Nevada https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 600 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/N9999OTHER 43 999 None All https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 999 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100CNRLVL 44 106 Unconsolidated sand and gravel aquifers California https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100CSLLWD 45 201 Semiconsolidated sand aquifers Alabama, Florida, Louisiana,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 200 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100MSEMBM 46 203 Semiconsolidated sand aquifers Alabama, Arkansas, Illinois,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 200 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100NATLCP 47 205 Semiconsolidated sand aquifers Delaware, District of Columbia,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 200 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100NRMTIB 48 105 Unconsolidated sand and gravel aquifers Idaho, Montana, Washington, Wyoming https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100PGTSND 49 112 Unconsolidated sand and gravel aquifers Washington https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100RIOGRD 50 102 Unconsolidated sand and gravel aquifers Colorado, New Mexico, Texas https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100SECSLP 51 204 Semiconsolidated sand aquifers Alabama, Georgia, Mississippi,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 200 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100SURFCL 52 111 Unconsolidated sand and gravel aquifers Alabama, Florida, Georgia, ... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 100 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S100TXCLUP 53 202 Semiconsolidated sand aquifers Louisiana, Texas https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 200 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S300CAMORD 54 312 Sandstone aquifers Illinois, Iowa, Michigan,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S300DNVRBS 55 302 Sandstone aquifers Colorado https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 300 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S400FLORDN 56 413 Carbonate-rock aquifers Alabama, Florida, Georgia,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S400OZRKPL 57 405 Carbonate-rock aquifers Arkansas, Illinois, Kansas,... https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S400RSWLBS 58 402 Carbonate-rock aquifers New Mexico https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 400 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...
https://geoconnex.us/ref/nat_aq/S500EDRTRN 59 501 Sandstone and carbonate-rock aquifers Arkansas, Oklahoma, Texas https://water.usgs.gov/ogw/aq_ex... http://water.usgs.gov/ogw/aquife... 500 https://geoconnex.us/ref/princip... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex... https://water.usgs.gov/ogw/aq_ex...