Official Road Map of Oklahoma1928-12-31unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_007_9_2_2_29The Official Road Map of Oklahoma, produced by the H. M. Gousha Company, is a color map illustrating locations where Conoco products are sold. Dimensions: 24 x 18.