Subject
- Cattle -- Manure -- Environmental aspects2
- Hydrology -- Oregon -- Crook County2
- Riparian ecology2
- Aquifers -- Oregon -- Camp Creek Wilderness1
- Big sagebrush1
- Big sagebrush -- Ecology -- Wyoming1
- Browsing (Animal behavior) -- California -- Marysville -- Mathematical models1
- Cattle -- Behavior -- California -- Marysville -- Mathematical models1
- Cattle -- Habitat -- California -- Marysville -- Mathematical models1
- Cattle -- Water requirements1
- Clearcutting1
- Conservation of natural resources -- Simulation methods1
- Crested wheatgrass -- Seedlings -- Ecophysiology -- Oregon1
- Fire ecology -- Wyoming1
- Forest soils -- Oregon1
- Grazing -- Oregon1
- Groundwater flow -- Oregon -- Camp Creek Wilderness1
- Human ecology -- Oregon1
- Land use -- Environmental aspects -- Oregon -- Tualatin River Watershed1
- Land use -- Oregon1