The Online Books Page

Online Books by

Lewis F. Roth

Books from the extended shelves:

• Roth, Lewis F.: Defect estimation for white fir in the Rogue River National Forest (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978), also by Paul E. Aho, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Roth, Lewis F.: Ecology, pathology, and management of Port-Orford-cedar (Chamaecyparis lawsoniana) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985), also by Donald B. Zobel, Glenn M. Hawk, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Roth, Lewis F.: Port-Orford-cedar root disease (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1987), also by John T. Kliejunas, Robert D. Harvey, and United States. Forest Service. Pacific Northwest Region (page images at HathiTrust)
• Roth, Lewis F.: Resistance of ponderosa pine to western dwarf mistletoe in central Oregon (Pacific Southwest Research Station, 1992), also by Robert F. Scharpf and Calif.) Pacific Southwest Forest and Range Experiment Station (Berkeley (page images at HathiTrust)
• Roth, Lewis F.: Response of dwarf mistletoe-infested ponderosa pine to thinning : 1. Sapling growth / James W. Barrett and Lewis F. Roth. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985), also by James W. Barrett and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Roth, Lewis F.: Response of dwarf mistletoe-infested ponderosa pine to thinning : 2. Dwarf mistletoe propagation / Lewis F. Roth and James W. Barrett. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985), also by James W. Barrett and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Roth, Lewis F.: Seven chemicals fail to protect ponderosa pine from Armillaria root disease in central Washington (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987), also by Gregory M. Filip and Or.) Pacific Northwest Research Station (Portland (page images at HathiTrust)

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