General County Highway Maps, 1951-1963 (Oregon)
Consists of highway maps of several Oregon counties prepared by the Oregon State Highway Department in cooperation with the U.S. Bureau of Public Roads. The maps also include detailed maps of key areas within the counties, such as towns and junctions. The maps provide information on roads, streams, buildings, cities, county population, local landmarks and other key features. The collection includes maps for Clatsop, Columbia, Coos, Curry, Douglas, Harney, Lane, Lincoln, Polk, Tillamook, and Yamhill Counties.