Subject
- 4-H clubs2
- Columbia Basin Agricultural Research Center -- Periodicals2
- Land use -- Oregon -- Klamath County -- Planning2
- Land use, Rural -- Oregon -- Klamath County -- Planning2
- Regional planning -- Oregon -- Klamath County2
- Agriculture -- Columbia River Watershed -- Periodicals1
- Agriculture -- Columbia River Watershed -- Statistics -- Periodicals1
- Agriculture -- Oregon -- Experimentation1
- Agriculture -- Research -- Columbia River Watershed1
- Beef cattle -- Oregon -- Congresses1
- Corn -- Varieties -- Oregon, Western -- Evaluation1
- Corn -- Varieties -- Oregon, Western -- Field experiments.1
- Dairying -- Environmental aspects1
- Games1
- Land use -- Oregon -- Coos County -- Planning1
- Land use -- Oregon -- Harney County -- Planning1
- Land use -- Oregon -- Hood River County -- Planning1
- Land use -- Oregon -- Jackson County -- Planning1
- Land use -- Oregon -- Jefferson County -- Planning1
- Land use -- Oregon -- Polk County -- Planning1