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... |