Verdigris River Electric Transmission Systems1936-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_053_4_0000_1_33Two maps produced by the War Department, Army Corps of Engineers, illustrate various substations, generating stations, transmission lines, and electric companies. Dimensions: 13 x 9.