Members of the Crag Rats Climbing Club Make Winter Snow Surveys for the Soil Conservation Service at Tilly Jane Camp Ground on Mt. Hood. Authorities Can Then Anticipate the Effect of Spring Thaw on the Columbia River 03/1973

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Photo credit: © PF-(usna) / Alamy / Afripics
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Keywords: .., agency, archives, climb, climbing, climbingclub, club, crag, cragrats, documerica, environmental, environmentalprotectionagency, historic, history, hood, mount, mounthood, nara:arcid=548033, national, protection, rats, ski, snow, usa, usnationalarchives

Members of the Crag Rats Climbing Club Make Winter Snow Surveys for the Soil Conservation Service at Tilly Jane Camp Ground on Mt. Hood. Authorities Can Then Anticipate the Effect of Spring Thaw on the Columbia River 03/1973

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