Nevada-California, Amargosa region.
Geological Survey (U.S.)
Chapman, R. H.
Stewart, B. D.
Washington, D.C. : U.S. Dept. of the Interior, Geological Survey,
[1906]
Relief shown by contours and spot heights.
"Triangulation and topography by R.H. Chapman and B.D. Stewart. Surveyed in 1905."