The Online Books Page

Books by Ragnar W. Johansen:

Books in the extended shelves:

• Johansen, Ragnar W.: Effects of fire on southern pine : observations and recommendations (U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1986), also by Dale D. Wade and N.C.) Southeastern Forest Experiment Station (Asheville (page images at HathiTrust)
• Johansen, Ragnar W.: Effects of spring defoliation on first-year growth of young loblolly and slash pines (U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1987), also by David R. Weise, Dale D. Wade, and N.C.) Southeastern Forest Experiment Station (Asheville (page images at HathiTrust)
• Johansen, Ragnar W.: The model II Michigan sand caster : a new machine for forest fire control (Dept. of Agriculture, Central States Forest Experiment Station, 1963), also by John S. Crosby and Robert W. Cooper (page images at HathiTrust)
• Johansen, Ragnar W.: A reproducible system for evaluating forest fire retardants (U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1967) (page images at HathiTrust)

Find more by Ragnar W. Johansen at your library, or elsewhere.