1. Altitude and configuration of the potentiometric surface in Springfield Township, Bucks County, Pennsylvania, April 1991 through October 1991 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
2. Altitude and configuration of the potentiometric surface in the crystalline and metasedimentary rocks, northeastern Chester County, Pennsylvania, May through October 1990 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Lemoyne, Pa.] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Format: Map Access & Availability: Loading
3. Altitude and configuration of the potentiometric surfaces of the upper and lower aquifer systems in Bridgeton, Nockamixon, and Tinicum townships, Bucks County, Pennsylvania, April 1991 through April 1992 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
4. Altitude and configuration of the water table in the High Plains aquifer in Kansas, 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : Department of the Interior, United States Geological Survey, 1985 Format: Map Edition: [Water-resources investigations edition]. Access & Availability: Loading
5. Altitude and generalized configuration of the top of the Floridan aquifer, St. Johns County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, United States Geological Survey, 1984 Format: Map Access & Availability: Loading
6. Altitude, depth, and thickness of the Galena-Platteville bedrock unit in the subcrop area of Illinois and Wisconsin Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000 Format: Map Access & Availability: Loading
7. Altitude of the base of freshwater in Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : Department of the Interior, United States Geological Survey, 1988 Format: Map Access & Availability: Loading
8. Altitude of the freshwater-saltwater interface in a regionally extensive coastal plain aquifer of Mississippi, Alabama, and Georgia Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, U.S. Geological Survey, 1986 Format: Map Access & Availability: Loading
9. Altitude of the potentiometric surface and changes in water levels in the Sparta-Memphis aquifer in eastern and southern Arkansas, spring 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, U.S. Geological Survey, 1989 Format: Map Access & Availability: Loading
10. Altitude of the potentiometric surface in the Manchester Aquifer at Arnold Air Force Base, May 1991, Coffee and Franklin counties, Tennessee Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Nashville, Tennessee : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
11. Altitude of the potentiometric surface in the Mississippi River Valley alluvial aquifer, spring 2018 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Map Access & Availability: Loading
12. Altitude of the potentiometric surface in the Mississippi River Valley alluvial aquifer, spring 2020 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Map Access & Availability: Loading
13. Approximate location of the 10,000-milligram-per-liter dissolved-solids boundary in the Silurian and Devonian carbonate-rock aquifer, southwestern and northern Indiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1994 Format: Map Access & Availability: Loading
14. Approximate potentiometric surface for the aquifer unit A2, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
15. Approximate potentiometric surface for the aquifer unit A3, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
16. Approximate potentiometric surface for the aquifer unit A4, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
17. Areal extent of freshwater in major aquifers of Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : Department of the Interior, U.S. Geological Survey, 1986 Format: Map Access & Availability: Loading
18. Areal variation in recharge to and discharge from the Floridan aquifer system in Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, U.S. Geological Survey, 1988 Format: Map Access & Availability: Loading
19. Availability of ground water in the unconsolidated aquifers in the Mid-Hudson River Basin, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : United States Department of the Interior, Geological Survey, 1987 Format: Map Access & Availability: Loading
20. Base of principal aquifer for parts of the North Platte, South Platte, and Twin Platte Natural Resources District, western Nebraska Author/Creator: Hobza, Christopher M., cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2014 Format: Map Access & Availability: Loading
21. Bedrock-surface altitude in the midwestern basins and arches region of Indiana, Ohio, Michigan, and Illinois Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Columbus, Ohio : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
22. Chemical characteristics of water in the surficial aquifer system, Broward County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : U.S. Department of the Interior, U.S. Geological Survey, 1987 Format: Map Access & Availability: Loading
23. Chemical quality of water in the basin-fill aquifer, Milford area, Utah, July and August, 1994 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Salt Lake City, Utah : U.S. Department of the Interior, U.S. Geological Survey, 1996 Format: Map Access & Availability: Loading
24. The Citronelle aquifers in Mississippi Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, United States Geological Survey, 1979 Format: Map Access & Availability: Loading
25. Configuration and hydrology of the Pre-Cretaceous rocks underlying the southeastern coastal plain aquifer system Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : Department of the Interior, U.S. Geological Survey, 1986 Format: Map Access & Availability: Loading
26. Correlation of regional geohydrologic units to geological formations in southern Missouri Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
27. Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, southern High Plains aquifer, east-central New Mexico, Curry County, Portales, and Causey Lingo underground water basins Author/Creator: Tillery, Anne C. (Anne Celeste) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Map Access & Availability: Loading
28. Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, southern High Plains aquifer, east-central New Mexico, Curry County, Portales, and Causey Lingo underground water basins Author/Creator: Tillery, Anne C. (Anne Celeste) Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey : In cooperation with the New Mexico Office of the State Engineer, 2008 Format: Map Access & Availability: Loading
29. Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, southern High Plains aquifer, southeast New Mexico, Lea County underground water basin Author/Creator: Tillery, Anne C. (Anne Celeste) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Map Access & Availability: Loading
30. Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, southern High Plains aquifer, southeast New Mexico, Lea County underground water basin Author/Creator: Tillery, Anne C. (Anne Celeste) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey : In cooperation with the New Mexico Office of the State Engineer, 2008 Format: Map Access & Availability: Loading
31. Delineation of saltwater intrusion in the surficial aquifer system in eastern Palm Beach, Martin, and St. Lucie Counties, Florida, 1997-98 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1999 Format: Map Access & Availability: Loading
32. Depth to the water table on Long Island, New York, in March 1979 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Syosset, New York : Department of the Interior, U.S. Geological Survey, 1989 Format: Map Access & Availability: Loading
33. Difference between the potentiometric surface of the Aquia aquifer in Spring of 1979 and Fall of 1986 in southern Maryland Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1987 Format: Map Access & Availability: Loading
34. The difference between the potentiometric surfaces of the Aquia aquifer of September 1986 and September 1988 in southern Maryland Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1990 Format: Map Access & Availability: Loading
35. The difference between the potentiometric surfaces of the Aquia Aquifer, September 1982 and September 1997 in Southern Maryland Author/Creator: Curtin, Stephen E. Publication/Creation: Denver, Colo. : Branch of Information Services [distributor]. Format: Map Access & Availability: Loading
36. The difference between the potentiometric surfaces of the lower Patapsco Aquifer, September 1990 and September 1997 in Southern Maryland Author/Creator: Curtin, Stephen E. Publication/Creation: Denver, Colo. : Branch of Information Services [distributor]. Format: Map Access & Availability: Loading
37. The difference between the potentiometric surfaces of the Magothy Aquifer, September 1975 and September 1997 in Southern Maryland Author/Creator: Curtin, Stephen E. Publication/Creation: Denver, Colo. : Branch of Information Services [distributor]. Format: Map Access & Availability: Loading
38. The difference between the potentiometric surfaces of the upper Patapsco Aquifer, September 1990 and September 1997 in Southern Maryland Author/Creator: Curtin, Stephen E. Publication/Creation: Denver, Colo. : Branch of Information Services [distributor]. Format: Map Access & Availability: Loading
39. Digital model analysis of the principal artesian aquifer, Glynn County, Georgia Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.?] : Department of the Interior, United States Geological Survey, 1975 Format: Map Access & Availability: Loading
40. Digital model analysis of the principal artesian aquifer, Savannah, Georgia area Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : Department of the Interior, United States Geological Survey, 1976 Format: Map Access & Availability: Loading
41. Digital surfaces and hydrogeologic data for the Floridan Aquifer system in Florida and in parts of Georgia, Alabama, and South Carolina Author/Creator: Bellino, Jason C. Publication/Creation: [Reston, Va.] : U.S. Dept., of the Interior, U.S. Geological Survey, [2011] Format: Map Edition: Version 1.0. Access & Availability: Loading
42. Distribution and thickness of unconsolidated deposits in Schuyler County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Ithaca, New York : U.S. Department of the Interior, U.S. Geological Survey, 1994 Format: Map Access & Availability: Loading
43. Distribution of dissolved-solids concentrations and temperature in ground water of the Gulf Coast aquifer systems, south-central United States Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : Department of the Interior, U.S. Geological Survey, 1988 Format: Map Access & Availability: Loading
44. Distribution of selected chemical constituents in water from the Floridan aquifer, Southwest Florida Water Management District Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Tallahassee, Fla.] : Department of the Interior, United States Geological Survey, 1983 Format: Map Access & Availability: Loading
45. Drilling, construction, water chemistry, water levels, and regional potentiometric surface of the upper carbonate-rock aquifer in Clark County, Nevada, 2009-2015 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Map Access & Availability: Loading
46. Estimated 2012 groundwater potentiometric surface and drawdown from predevelopment to 2012 in the Santa Fe group aquifer system in the Albuquerque metropolitan area, central New Mexico Author/Creator: Powell, Rachel I., cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2014 Format: Map Access & Availability: Loading
47. Estimated 2016 groundwater level and drawdown from predevelopment to 2016 in the Santa Fe Group aquifer system in the Albuquerque area, central New Mexico Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Map Access & Availability: Loading
48. Estimated 2016 groundwater level and drawdown from predevelopment to 2016 in the Santa Fe Group aquifer system in the Albuquerque area, central New Mexico Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Map Access & Availability: Loading
49. Estimated thickness and potential well yield of stratified-drift deposits in selected areas of northern Westchester County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : Department of the Interior, U.S. Geological Survey, 1992 Format: Map Access & Availability: Loading
50. The Eutaw-McShan aquifer in Mississippi Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, United States Geological Survey, 1977 Format: Map Access & Availability: Loading