- Holsten, E. H., and K. P. Zogas. 1979. Spruce beetle: Summit Lake, Dry Gulch, Cooper Landing. United States Department of Agriculture, Forest Service, Alaska Region, State and Private Forestry, Biological Evaluation R-10-79-4. 18 p.
- Holsten, E. H., K. P. Zogas, R. L. Wolfe, and R. A. Werner. 1979. Resurrection Creek spruce beetle infestation: a three year interim report. United States Department of Agriculture, Forest Service, Alaska Region, Anchorage, Alaska, State and Private Forestry, Report.