Conventional Signs For Triangulation Outline And Topographical Plots Of Atlas Sheets. West Of The 100th Meridian. Expeditions - Under the Command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army. U.S. Geographical Surveys.
who: Wheeler, G.M.; U.S.
what: National Atlas; Text Page
when: 1873
where: U.S. West
Conventional Signs. West Of The One-Hundredth Meridian. Seasons of 1869, 1871, 1872, 1873 & 1874. 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army in Charge. Geographical Explorations & Surveys.
who: Wheeler, G.M.; U.S.
what: National Atlas; Text Page
when: 1873
where: U.S. West
Legend. West Of the One-Hundredth Meridian. Seasons of 1869, 1871, 1872, & 1873. 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army in Charge. Geographical Explorations & Surveys.
who: Wheeler, G.M.; U.S.
what: National Atlas; Text Page
when: 1873
where: U.S. West
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