Polk County, 1972: ASCS indexes and aerial photographs United States. Agricultural Stabilization and Conservation Service. Aerial Photography Division Indexes and aerial photographs of Polk County taken by the United States. Agricultural Stabilization and Conservation Service. Aerial Photography Division in 1972. [Athens, Ga.] : Digital Library of Georgia University of Georgia. Libraries. Map Collection 2004 Aerial photographs Black-and-white photographs http://dlg.galileo.usg.edu/gaph/id:polk_1972 Scale: 1:20,000 Originals held by the University of Georgia Libraries Map Collection. 1972 Polk County (Ga.) Cite as: United States. Agricultural Stabilization and Conservation Service. Aerial Photography Division. [Title or frame numbers. Format. Scale. Flight title (if part of a flight). Place of publication: Publisher, Date of image collection. Type of medium.] University of Georgia Libraries Map Collection, Athens, Ga. Library reference designation, as presented in the Digital Library of Georgia