Topographic map of the Sacramento Valley, California.
Geological Survey (U.S.)
[Washington, D.C.] : U.S. Geological Survey,
1911.
Relief shown by contours and spot heights.
Contour interval 25 feet.
Reduced from U.S. Geological Survey Atlas sheets, surveyed in 1903-1910 in cooperation with the State of California; R.B. Marshall, Chief Geographer.
Includes "index to topographic maps of Sacramento Valley" and "conventional signs."