San Francisco Public Library
United States -- Surveys
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http://bibfra.me/vocab/lite/Concept
Label
United States -- Surveys
Name
United States
Focus
United States
Sub focus
Surveys
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14
Results of triangulation and primary traverse for the years 1906, 1907, and 1908, R. B. Marshall, chief geographer
Triangulation and primary traverse, 1913-1915, R. B. Marshall, chief geographer
Survey of the northwestern boundary of the United States, 1857-1861, by Marcus Baker
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United States
Sub focus
1
Surveys
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