United States. Department of AgricultureSuper XX; By USDA-CSS (BGZ-1K-21,22,23); Scale 1:21,000JPEGoai:digital.library.illinois.edu:eba22190-8a10-0137-6d99-02d0d7bfd6e4-d103engPublicStereogram No. 103 - Ohio River Lock and DamImageryIllinois--Livingston CountyIllinoisKentucky1952-08-01University of Illinois Urbana-Champaign