Henry Gannett, Chief Topographer. R.U. Goode, Geographer in charge. Triangulation by U.S. Coast and Geodetic Survey. Topography by R.B. Marshall and U.S. Coast and Geodetic Survey. Surveyed in 1894-95. Polyconic projection. To place on North American datum move projection lines 690 feet south and 320 feet west. [Vertical] datum is mean sea level. Contour interval 25 feet.
Type
image
Format
Scale: 1:62,500. Map type: TF. Polyconic projection Horizontal datum: To place on North American datum Grid note: none Vertical datum: mean sea level Contour interval on land and off shore 25 feet. image/tiff topographic maps maps contour maps relief maps quadrangle maps
Tamalpais California Western United States United States Geological Survey U.S. Geological Survey USGS Topographic 15 minute 1:62,500 scale San Francisco County Marin County
Time Period
1894/1895
Place
37.75000,-122.50000 38.00000,-122.50000 38.00000,-122.75000 37.75000,-122.75000 California Tamalpais USA
Source
USC-2003-00016M-1 [USCID]; 15CA-tamalpais-e97s94rp32 [Identifying number] University of Southern California [Contributing entity]
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