Subject
- Land use -- Government policy -- Oregon2
- Earthquake hazard analysis -- Northwest, Pacific1
- Earthquakes -- Safety measures1
- Economics -- Societies, etc.1
- Employment (Economic theory)1
- Galls (Botany) -- Identification1
- Galls (Botany) -- Northwest, Pacific -- Identification1
- Northwest, Pacific -- Civilization1
- Regionalism -- Northwest, Pacific1
- United States -- Foreign relations -- 20th century1
- Wages1
- Williams, William Appleman1