Subject
- U.S. International Biological Program. Coniferous Forest Biome4
- H.J. Andrews Experimental Forest (Or.)3
- Plant communities -- Oregon -- H.J. Andrews Experimental Forest3
- Plants -- Oregon -- H.J. Andrews Experimental Forest2
- Soils -- Oregon -- H.J. Andrews Experimental Forest2
- Atmospheric temperature -- Oregon -- H.J. Andrews Experimental Forest1
- Forest microclimatology -- Oregon -- H.J. Andrews Experimental Forest1
- Forests and forestry -- Oregon -- H.J. Andrews Experimental Forest1
- Phytogeography -- Maps1
- Soil temperature -- Oregon -- H.J. Andrews Experimental Forest1