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Valley and Ridge aquifers
This data set represents the extent of the Valley and Ridge aquifers in the states of New York, New Jersey, Pennsylvania, Maryland, Virginia, West Virginia, Tennesse, Georgia,... -
Volcanic and sedimentary-rock aquifers
This data set represents the extent of the Volcanic and sedimentary-rock aquifers in the states of Montana, Wyoming, Idaho, Nevada, California, Oregon, and Washington. -
Miocene basaltic-rock aquifers
This data set represents the extent of the Miocene basaltic-rock aquifers in the states of Idaho, Oregon, Washington, California, and Nevada. -
Biscayne aquifer
This data set represents the extent of the Biscayne aquifer in Florida. -
Pennsylvanian aquifers
This data set represents the extent of the Pennsylvanian aquifers in the states of Pennsylavania, West Virginia, Ohio, Virginia, Kentucky, North Carolina, Tennessee, Alabama,... -
Central Valley aquifer system
This data set represents the extent of the Central Valley aquifer system in California. -
Silurian Devonian aquifers
This data set represents the extent of the Silurian Devonian aquifers in the states of Michigan, Wisconsin, Illinois, Indiana, Ohio, Kentucky, and Tennessee. -
Basin and Range aquifers
This data set represents the extent of the Basin and Range aquifers in the states of California, Utah, Arizona, and Nevada. -
Pecos River Basin alluvial aquifer
This data set represents the extent of the Pecos River Basin alluvial aquifer in New Mexico, and Texas. -
Floridan aquifer system
This data set represents the extent of the Floridan aquifer system in the states of Florida, Georgia, and Alabama. -
Northern California volcanic-rock aquifers
This data set represents the extent of the Northern California volcanic-rock aquifers in California. -
Upper carbonate aquifer
This data set represents the extent of the Upper carbonate aquifer in Minnesota and Iowa. -
Southeastern Coastal Plain aquifer system
This data set represents the extent of the Southeastern Coastal Plain aquifer system in Kentucky, Tennessee, Mississippi, Alabama, Georgia, and South Carolina. -
Central Valley aquifer system
This data set represents the extent of the Central Valley aquifer system in California. -
Floridan aquifer system
This data set represents the extent of the Floridan aquifer system in the states of Florida, Georgia, and Alabama. -
Mississippi embayment aquifer system
This data set represents the extent of the Mississippi embayment aquifer system in the states of Louisiana, Arkansas, Mississippi, Alabama, Tennessee, and Kentucky. -
Pennsylvanian aquifers
This data set represents the extent of the Pennsylvanian aquifers in the states of Pennsylavania, West Virginia, Ohio, Virginia, Kentucky, North Carolina, Tennessee, Alabama,... -
North Atlantic Coastal Plain aquifer system
This data set represents the extent of the North Atlantic Coastal Plain aquifer system in North Carolina, Virginia, Maryland, Deleware, and New Jersey. -
Edwards-Trinity aquifer system
This data set represents the extent of the Edwards-Trinity aquifer system in the states of Texas, Oklahoma, and Arkansas. -
Floridan aquifer system
This data set represents the extent of the Floridan aquifer system in the states of Florida, Georgia, and Alabama.