Henry Gannett, Chief Topographer. R.U. Goode, Geographer in charge. Triangulation by A.P. Davis. Topography by W.S. Post. Surveyed in 1894. Polyconic projection. To place on North American datum move projection lines 650 feet south and 380 feet west. [Vertical] datum is mean sea level. Contour interval 50 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 50 feet. image/tiff topographic maps maps contour maps relief maps quadrangle maps
Cucamonga California Western United States United States Geological Survey U.S. Geological Survey USGS Topographic 1:62,500 scale 15 minute Polyconic Los Angeles County San Bernardino County
Time Period
1894
Place
34.00000,-117.50000 34.25000,-117.50000 34.25000,-117.75000 34.00000,-117.75000 California Cucamonga USA
Source
USC-2003-00015F-1 [USCID]; 15CA-cucamonga-e03s94rp29 [Identifying number] University of Southern California [Contributing entity]
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