71. 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 Resource Type: Map Access & Availability: Loading
72. 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
73. 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 Resource Type: Map Access & Availability: Loading
74. 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 Resource Type: Map Access & Availability: Loading
75. 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 Resource Type: Map Access & Availability: Loading
76. Drainage basins in St. Johns County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
77. Elevation of the water-table surface for the alluvial aquifer and hydrologic conditions in the Santa Isabel-Juana Diaz area, Puerto Rico, March 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: San Juan, Puerto Rico : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
78. Estimated freshwater withdrawals in Texas, 1990 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading
79. 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 Resource Type: Map Access & Availability: Loading
80. Estimated thickness and potential well yield of stratified-drift deposits in the upper Croton River basin, Westchester County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading