Corvallis Municipal Airport / Salem Municipal Airport / Olympia Airport / Eugene Airport / Portland International Airport / McMinnville Municipal Airport / /
NaturalFeature
OR lowland / San Juan Islands / Willamette Valley / Puget lowlands / Willamette Valley Streaked Horned Lark Distribution Puget Lowlands Washington Coast / Washington coast / Columbia river / WA lowland / Columbia River Islands / coast* Columbia River / Oregon Coast / /