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37 x 50 cm. Relief shown by hachures and spot heights "Atlas sheet no. 77(B)." "Issued May 7th 1877." "Expeditions of 1871 & 1786 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." "Weyss, Herman & Lang, del." "By order of the honorable the Secretary of War." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." "2nd. Ed. June 30th, 1881." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.
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'Exhibit A'. 'Approved Sept. 21, 1916.' '2-N-1719' handwritten in lower right corner. 'W.E.J."--Lower left corner. "L-44 - 50 to 61. T-75 - 17 & 46"--Upper left corner. Includes discharge figures and plans for improvements to springs. Scale [ca. 1:240]. 1 in. to 20 feet. -- Scale [ca. 1:2,400]. 1 in. to 200 ft. Vertical scale [ca. 1:48]. 1 in. to 4 feet. -- Scale [ca. 1:4,800]. 1 in. to 100 feet. 1 map. Contents: Detail at springs -- Profile -- Alignment.
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