Geological Survey (U.S.)Super XX; By USGS (GS-NK-1-91,92); Scale 1:24,500JPEGoai:digital.library.illinois.edu:edd8a3c0-8a10-0137-6d99-02d0d7bfd6e4-a503engPublicStereogram No. 503 - Obey RiverImageryTennessee--Fentress CountyTennessee1951-03-26University of Illinois Urbana-Champaign