E.M. Douglas, Geographer. R.B. Marshall, in charge of section. Topography by A.H. Sylvester, S.N. Stoner, and E.R. Bartlett. Triangulation by C.F. Urquhart. Surveyed in 1904. Polyconic projection, North American datum. [Vertical] datum is mean sea level.
Type
image
Format
Scale: 1:62,500. Map type: TF. Polyconic projection Horizontal datum: North American datum Grid note: none Vertical datum: mean sea level Contour interval on land and off shore image/tiff topographic maps maps contour maps relief maps quadrangle maps
Pleasanton California Western United States tes United States Geological Survey U.S. Geological Survey USGS Topographic 15 minute 1:62,500 scale Polyconic
Time Period
1904
Place
37.50000,-121.75000 37.75000,-121.75000 37.75000,-122.00000 37.50000,-122.00000 California Pleasanton Livermore USA
Source
USC-2003-0000BB-1 [USCID]; 15CA-pleasanton-e06s04rp28 [Identifying number] University of Southern California [Contributing entity]
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