together, with lists of barometric altitudes, magnetic declinations, and itineraries of important routes Geographical Surveys West of the 100th Meridian (U.S.) creator Macomb, M. M. (Montgomery Meigs) 1852-1924 Wheeler, George M. (George Montague) 1842-1905 United States Army. Corps of Engineers. text xx Washington Govt. print. off. 1885 monographic eng

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261 p. incl. tables. 30 cm. prepared principally by First Lieut. M.M. Macomb ... from data gathered by parties of the United States geographical surveys west of the 100th meridian, operating in the states and territories of California, Colorado, Nebraska, Nevada, Oregon, Arizona, Idaho, Montana, New Mexico, and Wyoming, under the directions of Capt. Geo. M. Wheeler ... in charge. 1883. At head of title: Engineer department, U.S. army. Azimuth United States Distances, etc United States Altitudes G109 .U56 agr07001609 U.S. Dept. of agr. Library 760802 20260227110926.0 agr07001609