Description
|
Digitized index sheets and 100 photogrammetric scans of original aerial reel film from an aerial survey of McPherson County, Nebraska taken June 22, 1939, July 9 & 16, 1939, August 12, 17 & 21, 1939, and October 31, 1939. Scale is 1:20,000. (1939-11-08)
|
Notes
| This survey of McPherson County, Nebraska was commissioned by the U.S. Department of Agriculture Agricultural Adjustment Administration North Central Division under contract number USDA-5053, carried out by Kargl Aerial Surveys, Ltd., and indexed November 8,1939. 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 CAZ, Canisters: DN1909, 1910, 1917. 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. |