St. Louis-San Francisco Railway interlocking tower, Pleasanton, Kansas A 1952 photograph of the St. Louis-San Francisco Railway interlocking tower at Pleasanton, Kansas. It was located on the Northern Division, Kansas City Subdivision, at mile post 74.4. Date: June 21, 1952 http://www.kansasmemory.org/item/215488 Kansas Memory Web Site, Kansas Historical Society
