Subject
- Archaeological surveying -- Oregon -- Willamette River Valley1
- Cruciferae--Residues1
- Plant-pathogen relationships1
- Squashes -- Diseases and pests1
- White-breasted nuthatch -- Ecology -- Oregon -- Willamette River Valley1
- White-breasted nuthatch -- Effect of habitat modification on -- Oregon -- Willamette River Valley1
- White-breasted nuthatch -- Habitat -- Oregon -- Willamette River Valley1
- Willamette River Valley (Or.)1
- Willamette River Valley (Or.) -- Antiquities1
- Women farmers1