1926. Geological Survey (U.S.). Relief shown by contours.; At head of title: Department of the Interior, U.S. Geological Survey. 60 x 73 centimeters Scale 1:125,000 General Map Co... U.S. Geological Survey (Washington, D.C).
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1926. Geological Survey (U.S.). Relief shown by contours. 60 x 73 Centimeters Scale 1:125,000 ; General Map Collection. U.S. Geological Survey (Washington, D.C).