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100+ Years: USGS Water Quality Studies in National Parks

By Communications and Publishing
Mt. Lyell and view of Vogelsang Pass, Yosemite National Park, 1913 Water-quality field sampling, Denali National Park, 2009 Forsythe Peak and Dorothy Lake, Yosemite National Park, 1913 USGS automated water-quality sampler in Sequoia National Park, 2010 Hauling drinking water, Upper St. Mary’s Lake, Glacier NP, 1913 Water-quality sampling in Cuyahoga Valley National Park, 2013 Pioneering USGS chemists F.A. Gooch and J.A. Whitfield, 1886 (ctr-frt) USGS Office of Water Quality, Branch of Quality Systems, 2016 USGS water quality laboratory in Washington DC, 1901 USGS National Water Quality Laboratory, Lakewood, Colorado, 2016