1879. Geographical and Geological Survey of the Rocky Mountain Region (U.S.), Newton, Henry, 1845-1877, and Powell, John Wesley, 1834-1902. 1 in. = 4 miles. (W 104°45ʹ--W 102°15ʹ/N 44°45ʹ--N 43°30ʹ). Relief shown by contours, hachures and spot heights. "Field work 1875. Publication ... U.S. Geological Survey (Washington, D.C).
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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.).
1879. 1 map on 4 sheets ; sheets 61 x 81 cm. or smaller 2 sheets of insets.
1879. Geographical and Geological Survey of the Rocky Mountain Region (U.S.). Report on the lands of the arid regions of the United States. 1 map : col., mounted on cloth ; 49 x 71 cm From: Report on the lands of the arid regions of the United States.--2nd ed.--Washington, D.C. : U.S. G...