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Start Over Creator Geographical and Geological Survey of the Rocky Mountain Region (U.S.) Publisher Dept. of the Interior, U.S.G. and G. Survey (Washington, D.C.) Bounding Box -180 -89.81531 180 89.456192

1. Map of the Black Hills of Dakota : from explorations made in 1875

Maps University Of Minnesota Public content
1879. Geographical and Geological Survey of the Rocky Mountain Region (U.S.), Jenney, Walter P. (Walter Proctor), 1849-1921, and Mahlo, Emil, 1851-1904. 1 in. = 4 miles. Relief shown by hachures and spot heights. "Geology of the Black Hills by Henry Newton E.M."--Upper right. 74 x 89 centimeters... Dept. of the Interior, U.S.G. and G. Survey (Washington, D.C.).

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