Subject
- Animal nutrition1
- Cattle1
- Cattle -- Oregon -- Feeding and feeds -- Climatic factors1
- Cork oak1
- Elk -- Oregon -- Habitat1
- Grasses1
- Grazing -- Economic aspects1
- Juniper -- Oregon1
- Mamora National Forest (Morocco)1
- Mule deer -- Oregon -- Habitat1
- Plant competition -- Oregon1
- Ponderosa pine -- Growth1
- Ponderosa pine -- Habitat1