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Geologic Atlas: Columbus folio, Ohio
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both... -
1943 AAF 332 Aerial Photo Index
Aerial photographs are retrievable on a frame by frame basis. The aerial photo inventory contains imagery from various sources that are now archived at the Earth Data Analysis... -
Columbus 1:100000 Quad Transportation DLGs
Digital line graph (DLG) data are digital representations of cartographic information. DLG's of map features are converted to digital form from maps and related sources....