United States. General Land OfficeRelief shown by shading and spot heights.; Public land grid.; Longitude west of Greenwich noted across upper margin; longitude west of Washington, D.C. noted across lower margin.; Inset: City of Portland.; Shows Indian and military reservations; national forests, parks, monuments, and bird refuges; U.S. reclamation projects; light houses and military roads.72 x 92 centimetersJPEGUMN_ALMA:9974054608501701engDept. of the Interior, General Land Office (Washington, D.C)PublicState of OregonMapsOregonUniversity of Minnesota