1. 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
2. Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northeastern Chester County, Pennsylvania, September 1987 through January 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : Department of the Interior, U.S. Geological Survey, 1989 Format: Map Access & Availability: Loading
3. 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 Format: Map Access & Availability: Loading
4. Altitude and configuration of the water table, and depth to water near Cheyenne, Wyoming, May 1984 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
5. Altitude and configuration of the water-level surface in lower Paleozoic and Precambrian crystalline rocks in the Red Clay Creek Basin, Chester County, Pennsylvania, and New Castle County, Delaware, June through October 1989 and March 1990 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Harrisburg, Pennsylvania : United States Department of the Interior, U.S. Geological Survey, 1991 Format: Map Access & Availability: Loading
6. Altitude of the potentiometric surfaces, September 1995, and historical water-level changes in the Memphis and Fort Pillow aquifers in the Memphis area, Tennessee Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Memphis, Tennessee : U.S. Department of the Interior, U.S. Geological Survey, 1996 Format: Map Access & Availability: Loading
7. Areas of gain and loss along the Platte River, central Nebraska, spring 1999 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