1923. United States. Office of Indian Affairs. Scale approximately 1:3,500,000. "Base map furnished by General Land Office." "Engraved and printed by the U. S. Geological Survey." Department of ... The Office.
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1923. Columbus (Ohio). City Planning Commission. Scale approximately 1:20,117. Shows use districts, height districts, and area districts. City Planning Commission ; Robert Whitten, consultant ; A.... City Planning Commission.