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You searched for: Creator Illinois State Geological Survey Remove constraint Creator: Illinois State Geological Survey Public/Restricted Public Remove constraint Public/Restricted: Public Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Subject Farming Remove constraint Subject: Farming Type Image Remove constraint Type: Image Contributor Illinois Remove constraint Contributor: Illinois
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Historical Aerial Photography: Illinois, 1937-1947 illinois

1936-1941. Illinois State Geological Survey. The primary data set consists of historical black and white aerial photographs from Illinois acquired during 1936 to 1941. Alternative years of pho...