1. High-resolution marine geologic maps showing sediment distribution on the insular shelf off Luquillo, Puerto Rico Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
2. Hydrogeologic terranes and potential yield of water to wells in the Valley and Ridge Physiographic Province in Maryland, New Jersey, and Pennsylvania Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : The Survey, 1996 Format: Map Access & Availability: Loading
3. Hydrogeology of structurally extended terrain in the eastern Great Basin of Nevada, Utah, and adjacent states, from geologic and geophysical models Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : The Survey, 1996 Format: Map Access & Availability: Loading