Stanford Geospatial CenterThis is an index to the map series 'Oregon transportation map map : Highways, railroads, canals, air lanes, and dredged channels.' The maps were originally created by the United States Public Roads Administration (1944). This layer provides an index map that can be used to locate individual scanned map sheets.Shapefilehttps://purl.stanford.edu/gc484pr2641engStanford Digital RepositoryPublicGrids (Cartography)Index mapsBoundariesOregon transportation map map : Highways, railroads, canals, air lanes, and dredged channels, Maps IndexDatasetsOregon1944Stanford