- Stipe, L. E., A. C. Valcarce, and A. C. Tegethoff. 1977. Intermountain States (R-4). Pages 20-25 in H. V. Toko and K. H. Knauer, Forest insect and disease conditions in the United States, 1975. United States Department of Agriculture, Forest Service. vi + 60 p.
- Valcarce, A. C. 1978. Biological evaluation: mountain pine beetle infestation, Cassia Division, Twin Falls Ranger District, Sawtooth National Forest, 1977. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Ogden, Utah, Report R-4 78-9. 5 p.