Subject
- Oregon -- Description and travel[remove]12
- Indians of North America -- Oregon2
- Oregon -- Economic conditions2
- Agriculture -- Oregon1
- Amazon River1
- Ashland (Or.) -- Description and travel1
- Columbia River1
- El Dorado1
- Indians of North America -- Oregon -- Portraits1
- Lewis and Clark Expedition (1804-1806)1
- Northwest, Pacific -- Description and travel1
- Northwestern States -- Description and travel1
- Olympus, Mount, (Wash.)1
- Oregon -- Description and travel -- Pictorial works1
- Public land sales -- Oregon1
- Rainier, Mount (Wash.)1
- Sierra Nevada (Calif. and Nev.)1
- Siskiyou Mountains (Calif. and Or.)1
- United States -- Description and travel1