61. Potentiometric surface of the Magothy 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
62. The Potentiometric surface of the Magothy 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
63. Potentiometric surface of the Peedee aquifer in the central coastal plain of North Carolina, December 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Raleigh, North Carolina : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
64. Potentiometric surface of the Turpentine Run basin aquifer in the Tutu area, eastern St. Thomas, U.S. Virgin Islands, September 11, 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: San Juan, Puerto Rico : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading
65. Potentiometric surface of the Upper Cape Fear aquifer in the central coastal plain of North Carolina, December 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Raleigh, North Carolina : U.S. Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
66. Potentiometric surface of the upper Floridan aquifer in Florida and in parts of Georgia, South Carolina, and Alabama, May 1985 Author/Creator: Bush, Peter W., author Publication/Creation: Atlanta, Georgia : U.S. Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
67. Potentiometric surfaces of the Mississippi River Valley alluvial aquifer in eastern Arkansas, Spring 1972 and 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, United States Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
68. Potentiometric-surface map of the carbonate aquifer in Silurian and Devonian rocks, Lucas, Sandusky, and Wood counties, northwestern Ohio, July 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Columbus, Ohio] : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
69. Precipitation, streamflow, and base flow in west-central Texas, December 1974 through March 1977 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
70. Streamflow gain and loss of selected streams in northern Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : United States Department of the Interior, Geological Survey, 1987 Resource Type: Map Access & Availability: Loading