11. Potentiometric surface and hydrologic conditions of the upper aquifer in the Manati-Vega Baja area, north central Puerto Rico, March 1995 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Guaynabo, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
12. Potentiometric surface, ground-water withdrawals, and recharge area for the Eutaw aquifer in Alabama, Fall 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tuscaloosa, Alabama : U.S. Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
13. Potentiometric surface map of the Winona-Tallahatta aquifer in northwestern Mississippi, fall 1983 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
14. Potentiometric surface of the alluvial aquifer and hydrologic conditions near Caguas, Puerto Rico, March 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: San Juan, Puerto Rico : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
15. 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
16. 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
17. Potentiometric surface of the Aquia aquifer in southern Maryland during the Fall of 1986 Author/Creator: Mack, Frederick K., author Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
18. Potentiometric surface of the Aquia aquifer in southern Maryland during the fall of 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
19. The Potentiometric surface of the Aquia aquifer in southern Maryland, September 1985 Author/Creator: Mack, Frederick K., author Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
20. Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading