1926. Oregon State Highway Commission. Relief shown by hachures and spot heights.; On verso: Text, mileage tables and 2 ancillary maps.; In lower right corner: "E.A. Skelley." 44 x 58 ce... Oregon State Highway Commission (Salem, Or).
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1925. Oregon State Highway Commission. Relief shown by hachures and spot heights.; In lower right: "E. A. Skelley."; Includes text, mileage tables and ancillary map on verso. 39 x 52 cen... Oregon State Highway Commission (Salem, Or).