Description
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Digitized index sheets and 95 photogrammetric scans of original aerial reel film from an aerial survey of Ward County, North Dakota taken August 4, & 5, 1938, September 22, 1938, and October 19, 1938. Scale is 1:20,000. (1938-12-01)
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Notes
| This survey of Ward County, North Dakota was commissioned by the U.S. Department of Agriculture Agricultural Adjustment Administration under contract number USDA-1750, carried out by Edgar Tobin Aerial Surveys, and indexed December 1, 1938. Access to original materials is available at the National Archives and Records Administration II facility in College Park, MD in Record Group 145, Survey Symbol BAM, Canisters: DN0826, 0853, 0927. File names use the following naming convention for index sheets: Record Group - State - County - Year - Sheet Number. And for photogrammetric scans: Record Group - Survey Symbol - Flight Line Number - Photograph Number. |