File:USGS 1950s mapping field camp.jpg

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Summary

DescriptionUSGS 1950s mapping field camp.jpg	English: 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. (Description from USGS.)
Date	circa 1950-1955
Source	USGS Historical Photographs: Mapping Field Camp: http://online.wr.usgs.gov/outreach/historicPhotos/enlarged/mapping_camp_1950.html
Author	US Geological Survey

Licensing

This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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The following pages on Schools Wikipedia link to this image (list may be incomplete):

Geology

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Pixel composition	1
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop 7.0
File change date and time	14:24, 27 April 2004
Colour space	Uncalibrated

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