Subject
- Forest ecology -- West (U.S.)20
- Conifers -- West (U.S.) -- Ecology12
- Lake ecology -- West (U.S.)12
- Stream ecology -- West (U.S.)12
- Forests and forestry -- Research -- West (U.S.)5
- Conifers -- West (U.S.) -- Environmental aspects4
- Range management -- West (U.S.)4
- Conifers -- Ecology -- West (U.S.)3
- Livestock poisoning plants -- West (U.S.)3
- Rangelands -- West (U.S.)3
- West (U.S.)3
- West (U.S.) -- Description and travel3
- Bark beetles -- Control -- West (U.S.)2
- Beef cattle -- West (U.S.) -- Breeding2
- Conifers -- Environmental aspects -- West (U.S.)2
- Forest influences -- West (U.S.)2
- Forests and forestry -- West (U.S.)2
- Frontier and pioneer life -- West (U.S.)2
- Grassland restoration -- West (U.S.)2
- Lewis, Meriwether, 1774-18092