California, Big Bar and vicinity.
Geological Survey (U.S.)
Harrison, J. P.
Washington, D.C. : U.S. Dept. of the Interior, Geological Survey,
[1915]
Relief shown by contours and spot heights.
At top of map: "Topography."
"Topography by J.P. Harrison ... [et al.] Surveyed in 1907 and 1909-1911."