1. Revised potentiometric-surface map, Yucca Mountain and vicinity, Nevada Author/Creator: Ervin, E. M., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1994 Resource Type: Book Access & Availability: Loading
2. Map of mean annual runoff for the northeastern, southeastern, and mid-Atlantic United States, water years 1951-80 Author/Creator: Krug, William R., author Publication/Creation: Denver, Colo. : U.S. Geological Survey, Books and Open-File Reports Section Resource Type: Book Access & Availability: Loading