1908 Crater Lake, Oregon map, United States Geological Survey, Professional Paper No. 60, The Interpretation of Topographic Maps 8 1/2 x 11 1/4 inches
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Description This image is a scan of a map from: The Interpretation of Topographic Maps, R. D. Salisbury and W. W. Atwood (1908), U.S.G.S. Professional Paper 60, 84 pp. Caption (page bottom): Volcanism: Geologic Map of Mount Mazama and Crater Lake National Park, Oregon by J. S. Diller Upper left-hand margin label: U. S. Geological Survey Upper right-hand margin label: Professional Paper No. 60 Pl. CLVI This map is a part of the Crater Lake Institute's collection of historic Crater Lake artifacts.