1. Analysis of water-level data in the Yucca Mountain area, Nevada, 1985-95 Author/Creator: Graves, Robert P., author Publication/Creation: Denver, Colorado : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
2. Hydrogeology in the vicinity of test holes and wells on St. Croix, St. Thomas, and St. John, U.S. Virgin Islands Author/Creator: Graves, Robert P., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
3. Hydrology of south-central St. Croix, U.S. Virgin Islands Author/Creator: Graves, Robert P., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
4. Geohydrology of the Aguirre and Pozo Hondo areas, southern Puerto Rico Author/Creator: Graves, Robert P., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
5. Ground-water resources in Lajas Valley, Puerto Rico Author/Creator: Graves, Robert P., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
6. Water resources of the Humacao-Naguabo area, eastern Puerto Rico Author/Creator: Graves, Robert P., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading