A depth to basement map of the Death Valley groundwater model area was prepared using over 40,0000 gravity stations as part of an interagency effort by the U.S. Geological Survey and the U.S. Department of Energy to help characterize the geology and hydrology of southwest Nevada and parts of California.
Additional publication details
USGS Numbered Series
Map showing depth to pre-Cenozoic basement in the Death Valley ground-water model area, Nevada and California
Miscellaneous Field Studies Map
Sheet 48 by 64 inches (in color). (Accompanied by 6 page text.)