United States. General Land OfficeShows county boundaries, military and Indian reservations, forest reserves, national parks, military roads, and lighthouses.Relief shown by shading.; Gives longitude west from Greenwich and Washington, D.C.; Inset: City of Portland.70 x 90 CentimetersJPEGUMN_ALMA:9978376329701701engAndrew B. Graham Co (Washington, D.C)PublicState of OregonMapsOregonUniversity of Minnesota