Clason Map Co. Scale [ca. 1:1,267,000] Relief shown by hachures. "Principal auto roads shown in red. Oil and gas fields shown in orange."--Lower margin. Includes ... Clason Map Co.
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1919. Ohio. State Highway Commission. Scale [1:126,720]. 1 in. = 2 miles. Copyright 1919 by Clinton Cowen, State Highway Commissioner for the state of Ohio. Includes "Explanation." Text... Print. Commission of Ohio.
1800. Scale approximately 1:96,561.
1919. Cowen, Clinton. Scale approximately 1:126,720. 1 in. = 2 miles. Scale approximately 1:88,000. 1 in. = 4 miles. "Copyright 1919 by Clinton Cowen, State Highway Comm... Printing Commission of Ohio.
1919. Cowen, Clinton. Scale approximately 1:126,720. 1 in. = 2 miles. "Copyright 1919 by Clinton Cowen, State Highway Commissioner, for the State of Ohio.". Printing Commission of Ohio.