- Beef cattle -- Economic aspects -- Oregon3
- Agriculture -- Economic aspects -- Oregon2
- Grazing -- Economic aspects -- Oregon2
- Wheat -- Economic aspects -- Oregon, Eastern2
- Beef cattle1
- Beef cattle -- Cow-calf system -- Economic aspects -- Oregon, Eastern1
- Beef industry -- Economic aspects -- Oregon1
- Biomass energy -- Economic aspects -- Oregon, Eastern1
- Cattle -- Ecology -- Oregon1
- Cattle -- Economic aspects -- Oregon, Eastern1
- Cattle -- Feeding and feeds1
- Cattle -- Oregon, Eastern -- Marketing1
- Cattle trade -- Economic aspects -- Oregon1
- Cheatgrass brome -- Economic aspects -- Oregon, Eastern1
- Crested wheatgrass -- Economic aspects -- Oregon, Eastern1
- Crested wheatgrass -- Oregon, Eastern -- Costs1
- Dairy cattle -- Economic aspects -- Oregon1
- Dairying -- Economic aspects -- Oregon1
- Drought relief -- Oregon, Eastern -- Mathematical models1
- Droughts -- Economic aspects -- Oregon, Eastern -- Mathematical models1