Topography by E.P. Davis, W.B. Upton, Jr., C.N. Mortenson, Lee Morrison, R.G. Stevenson, V.S. Seward, D.H. Rutledge and U.S. Forest Service. Surveyed in 1925, 1926, 1932 and 1933.
Type
image
Format
Scale: 1:125,000. Map type: TF. Polyconic projection Horizontal datum: unknown Grid note: none Vertical datum: mean sea level Contour interval on land and off shore 50 feet. image/tiff topographic maps maps contour maps relief maps quadrangle maps
Halls Flat Shasta County Lassen County California Western United States United States Geological Survey U.S. Geological Survey USGS Topographic 30 minute 1:125,000 scale Polyconic
Time Period
1925
Place
40.50000,-121.30000 41.00000,-121.50000 41.00000,-121.00000 40.50000,-121.00000 California Halls Flat USA
Source
University of Southern California [Contributing entity]
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