The Online Books Page

Books by Robert D. Pfister:

Books in the extended shelves:

• Pfister, Robert D.: Forest habitat types of Montana (Dept. of Agriculture, Forest Service, Intermountain Forest and Range Station, 1977), also by Intermountain Forest and Range Experiment Station (Ogden, Utah) and United States Forest Service (page images at HathiTrust)
• Pfister, Robert D.: Growth of released and unreleased young stands in the western white pine type (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973), also by G. H. Deitschman (page images at HathiTrust)
• Pfister, Robert D.: Insect damage in grand fir cones (USDA Forest Service, Intermountain Forest and Range Experiment Station, 1963), also by Phil C. Woolwine and Intermountain Forest and Range Experiment Station (Ogden, Utah) (page images at HathiTrust)
• Pfister, Robert D.: Maturity indices for grand fir cones (Intermountain Forest and Range Experiment Station, Forest Service, United States Department of Agriculture, 1967), also by Intermountain Forest and Range Experiment Station (Ogden, Utah) (page images at HathiTrust)
• Pfister, Robert D.: Thinning and fertilizing increase growth in a western white pine seed production area (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station, 1967), also by Russell A. Ryker and Intermountain Forest and Range Experiment Station (Ogden, Utah) (page images at HathiTrust)

Find more by Robert D. Pfister at your library, or elsewhere.