Philip C. Johnson

• Spruce spider mite infestations in northern Rocky Mountain Douglas-fir forests
• The book of Daniel
• The epistles to Titus and Philemon
• Distribution of bark beetle attacks on ponderosa pine trees in Montana
• List of stockholders
• Logging damage affects bark beetle resistance of residual ponderosa pine stands
• Some causes of natural tree mortality in old-growth ponderosa pine stands in western Montana
• Some causes of natural tree mortality in old-growth Ponderosa pine stands in western Montana
• Spruce Spider Mite Infestations in Northern Rocky Mountain Douglas-Fir Forests; No. 55