Dudley Ridge California Historical topographic map, 1:31680 scale, 7.5 X 7.5 Minute, Year 1936

~ Dudley Ridge CA topo map, 1:31680 scale, 7.5 X 7.5 Minute, Historical, 1936

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Dudley Ridge, California, USGS topographic map dated 1936.

Includes geographic coordinates (latitude and longitude). This topographic map is suitable for hiking, camping, and exploring, or framing it as a wall map.

Printed on-demand using high resolution imagery, on heavy weight and acid free paper, or alternatively on a variety of synthetic materials.

Topos available on paper, Waterproof, Poly, or Tyvek. Usually shipping rolled, unless combined with other folded maps in one order.


  • Product Number: USGS-5499253
  • Free digital map download (high-resolution, GeoPDF): Dudley Ridge, California (file size: 4 MB)
  • Map Size: please refer to the dimensions of the GeoPDF map above
  • Weight (paper map): ca. 55 grams
  • Map Type: POD USGS Topographic Map
  • Map Series: HTMC
  • Map Verison: Historical
  • Cell ID: 12942
  • Scan ID: 296061
  • Survey Year: 1932
  • Datum: NAD
  • Map Projection: Polyconic
  • Map published by United States Geological Survey
  • Map Language: English
  • Scanner Resolution: 600 dpi
  • Map Cell Name: Dudley Ridge
  • Grid size: 7.5 X 7.5 Minute
  • Date on map: 1936
  • Map Scale: 1:31680
  • Geographical region: California, United States

Neighboring Maps:


All neighboring USGS topo maps are available for sale online at a variety of scales.


Spatial coverage:

Topo map Dudley Ridge, California, covers the geographical area associated the following places:

- Liberty Farms West Side Levee - Houser Camp - Dudley Ridge - Wilbur Ditch

  • Map Area ID: AREA3635.875-119.875-119.75
  • Northwest corner Lat/Long code: USGSNW36-119.875
  • Northeast corner Lat/Long code: USGSNE36-119.75
  • Southwest corner Lat/Long code: USGSSW35.875-119.875
  • Southeast corner Lat/Long code: USGSSE35.875-119.75
  • Northern map edge Latitude: 36
  • Southern map edge Latitude: 35.875
  • Western map edge Longitude: -119.875
  • Eastern map edge Longitude: -119.75

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