Authority Bills1945-04-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_053_4_0000_1_90BR.J. Tipton's Chart Map depicts the area and population of regions under specific authorities, including the Columbia Valley Authority, Missouri Valley Authority, Ohio Valley Authority, and Tennessee Valley Authority. This is the second map in a series of three. Dimensions: Not specified in the provided data.