Subject
- AIDS (Disease) -- Kenya -- Nyanza Province1
- Archaeological geology -- Oregon -- Port Orford1
- Archaeological geology -- Oregon -- Upper Klamath Lake Watershed1
- Best management practices (Pollution prevention) -- Oregon -- Willamette River Valley -- Citizen participation1
- Black Death -- Europe -- Etiology1
- Clay tobacco pipes--Fort Hoskins Site (Or.)1
- Clay tobacco pipes--Fort Yamhill (Or.)1
- Climatic changes -- Environmental aspects -- Iceland1
- Diseases -- Iceland -- History1
- Excavations (Archaeology) -- Oregon -- Port Orford1
- Farmers -- Oregon -- Willamette River Valley -- Attitudes1
- Fort Hoskins Site (Or.)1
- Groundwater -- Pollution -- Oregon -- Willamette River Valley -- Prevention -- Citizen participation1
- Group identity1
- Indians of North America -- Oregon -- Corvallis -- Cross-cultural studies1
- New Age movement -- Oregon -- Corvallis1
- Nitrates -- Environmental aspects -- Oregon -- Willamette River Valley1
- Port Orford (Or.) -- Antiquities1
- Public health -- Kenya -- Nyanza Province1
- Soil formation -- Oregon -- Upper Klamath Lake Watershed1