U.S. Department of AgricultureRelated publications for RDS-2018-0055:
- Williamson, Richard L.; Staebler, George R. 1965. A cooperative levels-of-growing-stock study in Douglas-fir. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 12 p.
- Williamson, Richard L.; Staebler, George R. 1971. Levels-of-growing-stock cooperative study on Douglas-fir: report no. 1 - description of study and existing study areas. Research Paper. PNW-RP-111. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 12 p. https://www.fs.fed.us/pnw/olympia/silv/publications/opt/125_WilliamsonStaebler1971a.pdf
- Williamson, Richard L. 1976. Levels-of-growing-stock cooperative study in Douglas-fir: report no. 4 - Rocky Brook, Stampede Creek, and Iron Creek. Research Paper. PNW-RP-210. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 39 p. https://www.fs.fed.us/pnw/olympia/silv/publications/opt/160_Williamson1976.pdf
- Williamson, Richard L.; Curtis, Robert O. 1984. Levels-of-growing-stock cooperative study in Douglas-fir: report no. 7. - preliminary results; Stampede Creek, and some comparisons with Iron Creek and Hoskins. Research Paper. PNW-RP-323. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 42 p. https://doi.org/10.2737/PNW-RP-323
- Curtis, Robert O.; Marshall, David D. 1986. Levels-of-growing-stock cooperative study in Douglas-fir: report no. 8 - The LOGS study: twenty-year results. Research Paper. PNW-RP-356. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 113 p. https://doi.org/10.2737/PNW-RP-356
- Curtis, Robert O. 1992. Levels-of-growing-stock cooperative study in Douglas-fir: report no. 11 - Stampede Creek: a 20-year progress report. Research Paper. PNW-RP-442. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 47 p. https://doi.org/10.2737/PNW-RP-442
- Curtis, Robert O.; Clendenen, Gary W. 1994. Levels-of-growing-stock cooperative study in Douglas-fir: report no. 12 - The Iron Creek Study, 1966-89. Research Paper. PNW-RP-475. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 67 p. https://doi.org/10.2737/PNW-RP-475
- Curtis, Robert O. 1995. Extended rotations and culmination of age of Douglas-fir: Old studies speak to current issues. Research Paper. PNW-RP-485. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 49 p. https://doi.org/10.2737/PNW-RP-485
- Curtis, Robert O.; Marshall, David D. 2001. Levels-of-growing-stock cooperative study in Douglas-fir: report no. 14—Stampede Creek, 30-year results. Research Paper. PNW-RP-543. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 77 p. https://doi.org/10.2737/PNW-RP-543
- Curtis, Robert O. 2006. Volume growth trends in a Douglas-fir levels-of-growing-stock study. Western Journal of Applied Forestry. 21(2): 79-86. https://research.fs.usda.gov/treesearch/25539
- Curtis, Robert O.; Marshall, David D. 2009. Levels-of-growing-stock cooperative study in Douglas-fir: report no. 18--Rocky Brook, 1963-2006. Research Paper. PNW-RP-543. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 91 p. https://doi.org/10.2737/PNW-RP-578