1. Hydrogeology of the Croton-Ossining area, 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
2. Hydrologic maps of the High Plains Aquifer, southwestern Kansas, January 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lawrence, Kansas : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading