Reprinted 1925 Department of Interior, U.S. Geological Society, Crater Lake National Park Topographic map Black and white 17 x 21 1/2 inches
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Description This image is a scan of a map that is part of the Crater Lake Institute's collection of historic Crater Lake artifacts. The original map scanned is a high-quality modern reprint of the original map. Upper right-hand margin label: Oregon, Crater Lake National Park Upper left-hand margin label: Department of the Interior. U.S. Geological Survey Lower left-hand margin label: R. B. Marshall, Chief Geographer. T.G. Gerdine, Geographer in charge. Topography by Pearson Chapman. Control by Coast and Geodetic Survey, Pearson Chapman, and L.F. Biggs. Surveyed in 1908-1909. Soundings by Mark B. Kerr in 1886. Lower right-hand margin label: Edition of June 1911, reprinted 1925. Polyconic projection. North American datum. Crater Lake Nat'l Park, Ore.