USGS Secondary Hydrogeologic Regions

Map
Limit:
Items
id fid uri SHR PrimaryLit
S53 1 https://geoconnex.us/ref/sec_hyd... Adirondack Mountains Crystalline
S50 2 https://geoconnex.us/ref/sec_hyd... Arches-glaciated Sedimentary
S38 3 https://geoconnex.us/ref/sec_hyd... Arches-unglaciated Sedimentary
S13 4 https://geoconnex.us/ref/sec_hyd... Basin and Range Highlands Mixed
S28 5 https://geoconnex.us/ref/sec_hyd... Black Hills-S Sedimentary
S27 6 https://geoconnex.us/ref/sec_hyd... Black Hills-X Crystalline
S12 7 https://geoconnex.us/ref/sec_hyd... Blue Mountains Mixed
S47 8 https://geoconnex.us/ref/sec_hyd... Canadian Shield Crystalline
S61 9 https://geoconnex.us/ref/sec_hyd... Cape Cod and Islands Crystalline
S59 10 https://geoconnex.us/ref/sec_hyd... Champlain-Hudson Valleys-S Sedimentary
S58 11 https://geoconnex.us/ref/sec_hyd... Champlain-Hudson Valleys-X Crystalline
S08 12 https://geoconnex.us/ref/sec_hyd... Coast Ranges Sedimentary
S32 13 https://geoconnex.us/ref/sec_hyd... Eastern New Mexico Sedimentary
S45 14 https://geoconnex.us/ref/sec_hyd... Edwards-Trinity KT Sedimentary
S69 15 https://geoconnex.us/ref/sec_hyd... Florida-Q Sedimentary
S68 16 https://geoconnex.us/ref/sec_hyd... Florida-T Sedimentary
S29 17 https://geoconnex.us/ref/sec_hyd... Front Range Sedimentary
S14 18 https://geoconnex.us/ref/sec_hyd... Grand Canyon Sedimentary
S66 19 https://geoconnex.us/ref/sec_hyd... Gulf Coastal-T Sedimentary
S56 20 https://geoconnex.us/ref/sec_hyd... IA-MO Pennsylvanian Sedimentary
S57 21 https://geoconnex.us/ref/sec_hyd... Illinois Basin Sedimentary
S52 22 https://geoconnex.us/ref/sec_hyd... Inner Michigan Basin Sedimentary
S34 23 https://geoconnex.us/ref/sec_hyd... Interior Pennsylvanian Sedimentary
S33 24 https://geoconnex.us/ref/sec_hyd... Interior Permian Sedimentary
S07 25 https://geoconnex.us/ref/sec_hyd... Klamath Mountains Crystalline
S44 26 https://geoconnex.us/ref/sec_hyd... Llano Uplift Mixed
S05 27 https://geoconnex.us/ref/sec_hyd... Middle Cascade Mountains Volcanic
S65 28 https://geoconnex.us/ref/sec_hyd... Mississippi Embayment-KT Sedimentary
S22 29 https://geoconnex.us/ref/sec_hyd... Middle Rocky Mountains-S Sedimentary
S23 30 https://geoconnex.us/ref/sec_hyd... Middle Rocky Mountains-V Volcanic
S21 31 https://geoconnex.us/ref/sec_hyd... Middle Rocky Mountains-X Crystalline
S06 32 https://geoconnex.us/ref/sec_hyd... Middle & Southern Cascade Mountains Volcanic
S54 33 https://geoconnex.us/ref/sec_hyd... Northern Appalachian Basin-PZ Sedimentary
S60 34 https://geoconnex.us/ref/sec_hyd... Northern Appalachian Mountains-X Crystalline
S49 35 https://geoconnex.us/ref/sec_hyd... North Central Interior-PZ Sedimentary
S48 36 https://geoconnex.us/ref/sec_hyd... North Central Interior-X Crystalline
S55 37 https://geoconnex.us/ref/sec_hyd... NE-KS Permian-Pennsylvanian Sedimentary
S04 38 https://geoconnex.us/ref/sec_hyd... Northern Cascade Mountains Crystalline
S20 39 https://geoconnex.us/ref/sec_hyd... Northern Rocky Mountains-Q Sedimentary
S18 40 https://geoconnex.us/ref/sec_hyd... Northern Rocky Mountains-S Sedimentary
S19 41 https://geoconnex.us/ref/sec_hyd... Northern Rocky Mountains-V Volcanic
S17 42 https://geoconnex.us/ref/sec_hyd... Northern Rocky Mountains-X Crystalline
S35 43 https://geoconnex.us/ref/sec_hyd... OK Permian-Pennsylvanian Sedimentary
S63 44 https://geoconnex.us/ref/sec_hyd... Ouachita Mountains Sedimentary
S51 45 https://geoconnex.us/ref/sec_hyd... Outer Michigan Basin Sedimentary
S37 46 https://geoconnex.us/ref/sec_hyd... Ozarks-X Crystalline
S36 47 https://geoconnex.us/ref/sec_hyd... Ozarks Paleozoic Sedimentary
S11 48 https://geoconnex.us/ref/sec_hyd... Pacific Northwest Volcanics Volcanic
S31 49 https://geoconnex.us/ref/sec_hyd... Raton Basin Sedimentary
S16 50 https://geoconnex.us/ref/sec_hyd... Rio Grande Highlands Volcanic
S10 51 https://geoconnex.us/ref/sec_hyd... Southern California Mountains Mixed
S67 52 https://geoconnex.us/ref/sec_hyd... Southeast Coastal Plain-T Sedimentary
S09 53 https://geoconnex.us/ref/sec_hyd... Sierra Nevada Crystalline
S25 54 https://geoconnex.us/ref/sec_hyd... Southern Rocky Mountains-S Sedimentary
S26 55 https://geoconnex.us/ref/sec_hyd... Southern Rocky Mountains-V Volcanic
S24 56 https://geoconnex.us/ref/sec_hyd... Southern Rocky Mountains-X Crystalline
S40 57 https://geoconnex.us/ref/sec_hyd... Texas-Cretaceous Sedimentary
S64 58 https://geoconnex.us/ref/sec_hyd... Texas-KT Sedimentary
S41 59 https://geoconnex.us/ref/sec_hyd... Texas-Pennsylvanian Sedimentary
S39 60 https://geoconnex.us/ref/sec_hyd... Texas-Triassic Sedimentary
S46 61 https://geoconnex.us/ref/sec_hyd... Upper Cretaceous, glaciated Sedimentary
S30 62 https://geoconnex.us/ref/sec_hyd... Upper Cretaceous, unglaciated Sedimentary
S01 63 https://geoconnex.us/ref/sec_hyd... Washington Oregon Coast Ranges-S Sedimentary
S02 64 https://geoconnex.us/ref/sec_hyd... Washington Oregon Coast Ranges-V Volcanic
S43 65 https://geoconnex.us/ref/sec_hyd... West Texas-V Volcanic
S42 66 https://geoconnex.us/ref/sec_hyd... West Texas-S Sedimentary
S15 67 https://geoconnex.us/ref/sec_hyd... xColorado Plateau Sedimentary
S62 68 https://geoconnex.us/ref/sec_hyd... xValley&Ridge Sedimentary