Results Of Triangulation And Primary Traverse For The Years 1909 And 1910

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Results Of Triangulation And Primary Traverse For The Years 1909 And 1910; Issue 496 Of U.S. Geological Survey Bulletin; Volume 496 Of Geological Survey (U.S.).: Bulletin
Robert Bradford Marshall
Govt. Print. Off., 1912
Science; Earth Sciences; Geography; Geographical positions; Science / Earth Sciences / Geography; Traverses (Surveying); Triangulation; United States