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1870s (1870 - 1879)

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Wagon road from Fort Steele, Wyoming via Rawlins, Union Pacific R.R. to White River Agency, Colo., via cut-off from old road, October, 1878

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Map of the progress of the transcontinental triangulation and reconnaissance eastward from the Pacific Coast, June 30, 1883

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Maps of geographical surveys of parts of California, southeastern Nevada, Arizona and southwestern Utah, made under the command of George M. Wheeler, 1872-1873

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Map of explorations and surveys south of the Central Pacific Railroad made by the U.S. Army Corps of Topographical Engineers, 1871

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Map of Utah territory representing the extent of the irrigable, timber and pasture lands, 1878

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Map of economic features of parts of southern Colorado and northern New Mexico Atlas sheet no. 70(A.), May 5, 1877

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Map of part of north central New Mexico, atlas sheet no. 70(C), May 7th, 1877

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Map of part of North Central New Mexico atlas sheets 69(B), 69(D), 77(B) and 78(A), June 30, 1881

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Map of parts of southern Colorado and northern New Mexico, atlas sheet no. 70(A), 1877

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Map of economic features, part of central New Mexico, May 7, 1877

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Map of economical features of parts of southern Colorado and northern New Mexico, January 8, 1878

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Map of part of south western Colorado, January 10, 1878

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Map of economical features of Southwest Colorado, San Juan mining region, circa 1877

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Map of part of central Colorado, May 7, 1877

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Map of southern California and southern Nevada, 1872

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Map of Nevada, 1876

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Map showing parts of eastern and southeastern Nevada and southwestern Utah, circa 1873

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Bancroft's map of California, Nevada, Utah and Arizona, 1873

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