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. Argonne National Laboratory Author/Creator: Argonne National Laboratory Publication/Creation: [Argonne, Ill.?] : [The Laboratory], [1990] Resource Type: Map Access & Availability: Loading
3. Atlas of the Bible lands Author/Creator: Hammond Incorporated Publication/Creation: Maplewood, N.J. : Hammond, ©1990 Resource Type: Map Edition: Rev. ed. / Access & Availability: Loading
4. 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