The Online Books Page

Books by Harold O. Batzer:

Books in the extended shelves:

• Batzer, Harold O.: Caterpillar forest tent (Dept. of Agriculture, Forest Service, 1978), also by R. C. Morris and United States Forest Service (page images at HathiTrust)
• Batzer, Harold O.: Effectiveness of three insecticides applied at two droplet sizes for control of the Douglas-fir tussock moth and western spruce budworm (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978), also by George P. Markin, J. Wayne Brewer, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Batzer, Harold O.: Field life of Orthene, Sevin-4-oil, and Dylox 1.5 bioassay with Douglas-fir tussock moth larvae (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978), also by George P. Markin, J. Wayne Brewer, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Batzer, Harold O.: Field tests of Bacillus thuringiensis and aerial application strategies on western mountainous terrain (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977), also by C. G. Thompson, John Neisess, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Batzer, Harold O.: World directory of forest pathologists and entomologists (International Union of Forestry Research Organizations, 1985), also by Darroll D. Skilling and International Union of Forestry Research Organizations (page images at HathiTrust)
• Batzer, Harold O.: World directory of forest pathologists and entomologists (International Union of Forestry Research Organizations, 1976), also by Ralph L. Anderson (page images at HathiTrust)

Find more by Harold O. Batzer at your library, or elsewhere.