52D. Land Classification Map Of Part Of Central Colorado.
Land Classification Map Of Part Of Central Colorado, Atlas Sheet No. 52(D). Weyss, Nell & Rock, Del. Expeditions of 1873, 1876 & 1879 Under the Command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army. Executive Officers & Field Astronomers: 1st. Lieuts., Corps of Engr's. W.L. Marshall and Eric Bergland. Topographical Assistants: Louis Nell and Jno. J. Young. U.S. Geographical Surveys West Of The 100th Meridian.
David RumseyWheeler, G.M.
1879
1876
U.S.
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