61C. Land Classification Map Of Part Of South Western Colorado.
Land Classification Map Of Part Of South Western Colorado, Atlas Sheet 61 (C.). Weyss, Lang & Herman Del. Expeditions of 1873 74 75 & 77 Under the Command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army. U.S. Geographical Surveys West Of The 100th Meridian.
David RumseyWheeler, G.M.
1878
1876
U.S.
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