- Air -- Pollution -- Northwest, Pacific1
- Biomass energy -- Northwest, Pacific1
- Coarse woody debris -- Drying -- Northwest, Pacific1
- Coarse woody debris -- Moisture -- Northwest, Pacific1
- Dead trees -- Nitrogen content -- Northwest, Pacific1
- Forest biomass -- Economic aspects -- Northwest, Pacific1
- Forest products industry -- Economic aspects -- Northwest, Pacific1
- Incinerators1
- Nitrogen -- Fixation -- Mathematical models1
- Refuse as fuel -- Northwest, Pacific1
- Sawmills -- Waste disposal1
- Slash (Logging) -- Drying -- Northwest, Pacific1
- Slash (Logging) -- Moisture -- Northwest, Pacific1
- Waste products as fuel -- Northwest, Pacific1
- Wood waste1
- Wood waste -- Economic aspects -- Northwest, Pacific1
- Wood waste -- Nitrogen content -- Northwest, Pacific1
- Wood waste -- Recycling -- Northwest, Pacific1
- Wood waste -- Recycling -- Pacific Coast (U.S.)1
- Wood waste as fuel -- Economic aspects -- Northwest, Pacific1