Survey technician measures snowpack in Minnesota, data used to help determine the flood forecast before the spring melt. Originally uploaded in NAGT:Publications:In the Trenches.
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Last Modified: 2013-07-31 09:34:51 Permanent URL: http://serc.carleton.edu/download/images/40461/trenches_july_2013_cover.jpg
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July 2013 http://nagt.org/nagt/publications/trenches/issues/jul13.html
Provenance Photo: US Army Corps of Engineers
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