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| Outreach in the Western Region |
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circa 1950-1955
A typical USGS mapping field camp. Note the helicopter parked near the trailers. Helicopters were first used by the USGS for topographic mapping in Death Valley in 1948. High Resolution Download File (TIF) 4.24 MB 
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| U.S. Department of the Interior | U.S. Geological Survey URL: http://online.wr.usgs.gov/outreach/historicPhotos/enlarged/mapping_camp_1950.html Page Contact Information: Western Region Web Team Page Last Modified: Monday, 29-Aug-2005 13:56:35 EDT (mdg) |   |