In this photo taken March 30, 2017, Kevin Klinefelter, left, and John Dittli, right, begin to ski toward Kearsarge Pass in Inyo National Forest near Independence, Calif., where they hoped to conduct a snow survey before the conditions turned them back to try another day. Despite new technologies, California's snowpack is still measured the old-fashioned way: by skiers who manually measure the depth and water content of the snowpack. (AP Photo/Brian Melley)
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