1. Hydrogeologic interpretations from available ground-water data, Tutuila, American Samoa Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Map Access & Availability: Loading
2. Hydrology of the unconfined aquifer system, Salem River area : Salem River and Raccoon, Oldmans, Alloway, and Stow Creek basins, New Jersey, 1993-94 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: West Trenton, N.J. : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading