This history records the first large-scale bark beetle control project in a national park in the Pacific Northwest. It describes the relations between Park Service, Forest Service, and USDA Bureau of Entomology personnel; how the project was organized; the ecological implications of the outbreak; and the long-term results of direct control measures.
Wickman, B.E. 1987. The battle against bark beetles in Crater Lake National Park: 1925-34. Gen. Tech. Rep. PNW-GTR-259. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 40 p