1. Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northern Chester County, Pennsylvania, October 1989 through March 1990 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Harrisburg, Pennsylvania : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
2. Availability of ground water from unconsolidated deposits in the Mohawk River Basin, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
3. 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 Resource Type: Map Access & Availability: Loading
4. Freshwater withdrawals in Texas, 1985 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
5. Geohydrology of the Morrison Formation in the western San Juan Basin, New Mexico Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albuquerque, New Mexico : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
6. Geohydrology of the surficial aquifer in the Hornell area, in Steuben and Allegany counties, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Ithaca, New York : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
7. Geology, structure, and thickness of hydrogeologic units in part of the Columbia Plateau, Oregon Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Portland, Oregon : Department of the Interior, United States Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
8. Hydrogeologic unit map of the Piedmont and Blue Ridge Provinces of North Carolina Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Raleigh, North Carolina : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
9. Hydrogeology of the valley-fill aquifer at Owego, Tioga County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
10. Low flows during the 1988 drought in Tennessee Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Nashville, Tennessee : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
11. Potentiometric surface of the alluvial aquifer and hydrologic conditions near Gurabo and Juncos, Puerto Rico, March 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: San Juan, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
12. Potentiometric surface of the Aquia aquifer in southern Maryland during September 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
13. Potentiometric surface of the Edwards-Trinity aquifer system and contiguous hydraulically connected units, west-central Texas, winter, 1974-75 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
14. Potentiometric surface of the Kings Hill aquifer and hydrologic conditions in Saint Croix, U.S. Virgin Islands, July 1987 Author/Creator: Geological Survey (U.S.). Water Resources Division. Caribbean District, cartographer Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, Water Resources Division, Caribbean District, 1990 Resource Type: Map Access & Availability: Loading
15. Potentiometric surface of the Magothy aquifer in southern Maryland during September 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
16. Potentiometric surface of the principal aquifer and hydrologic conditions in the Ponce-Juana Diaz area, Puerto Rico, April-May, 1987 Author/Creator: Geological Survey (U.S.). Water Resources Division. Caribbean District, cartographer Publication/Creation: San Juan, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
17. Potentiometric-surface map of the Gordo aquifer in northeastern Mississippi, August through December 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, United States Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
18. Preliminary report on the hydrogeology of Lake Five-O and vicinity, Bay County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
19. Sand and gravel aquifers of 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, 1990 Resource Type: Map Access & Availability: Loading
20. Water withdrawals in the Roanoke-Chowan subregion of North Carolina and Virginia, 1983 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Raleigh, North Carolina : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
21. Water-level maps of the Mississippi River Valley alluvial aquifer in eastern Arkansas, 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Little Rock, Ark.] : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
22. Water-surface profile and flood boundaries for the computed 100-year flood, Poplar River, Fort Peck Indian Reservation, Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Helena, Montana : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading