Marshall County, Iowa /

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Bibliographic Details
Corporate author / creator:United States. Agricultural Adjustment Administration.
Imprint:[Washington, D.C.] : U.S. Department of Agriculture, Agricultural Adjustment Administration, [1939]
Description:remote-sensing images ; 23 x 23 cm + index map (61 x 51 cm)
Cartographic data:Scale 1:20,000 (W 93°13ʹ55ʺ--W 92°45ʹ56ʺ/N 42°12ʹ36ʺ--N 41°51ʹ44ʺ).
Format: Map U.S. Federal Government Document Print
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Hidden Bibliographic Details
Other authors / contributors:Aero Service Corporation.
Notes:Contact prints with stereoscopic coverage (60% overlap).
Title from accompanying index map.
Flight date: Jul. 30 1939.
"Date completed: Sept. 4, 1939. Date photo index copied: Sept. 12, 1939."
Photos numbered BZW-4-74 through BZW-4-188.

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