Subject
- Animals and civilization -- United States -- History1
- Antiquities, Prehistoric -- Snake River Region (Wyo.-Wash.)1
- Antiquities, Prehistoric -- Washington (State)1
- Archaeology -- Study and teaching -- United States1
- Beneficial insects -- United States -- History1
- Boarding schools -- Oregon -- Saint Paul -- History -- 19th century1
- Catholic schools -- Oregon -- Saint Paul -- History -- 19th century1
- Champoeg (Or.) -- Antiquities1
- Clay tobacco pipes--Fort Hoskins Site (Or.)1
- Clay tobacco pipes--Fort Yamhill (Or.)1
- Copeland Site (Corvallis, Or.)1
- Corvallis (Or.) -- Antiquities1
- Cultural property -- Protection -- Northwest, Pacific1
- Curry County (Or.) -- Antiquities1
- Dawson (Or.) -- History1
- Dayton (Or.) -- Antiquities1
- Dendrochronology -- Oregon -- LaDee Flat1
- Dredging -- Idaho -- Elk City -- History1
- Dredging -- Idaho -- Elk City -- Remote sensing1
- Ethnoentomology1