Triangulation and primary traverse, 1913-1915 / by R.B. Marshall, chief geographer.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. G.P.O.,
1916.
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| Series: | Bulletin (Geological Survey (U.S.)) ;
no. 644. |
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