- Beveridge, R. L., and R. W. Thier. 1982. HAZ-ARD. A computer program to rate potential for mountain pine beetle activity in lodgepole and ponderosa pine stands in the Intermountain Region. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Forest Pest Management Report 82-11. 6 p.
- Thier, R. W., and R. Beveridge. 1979. Bark beetle infestation for proposed Grimes Creek and Side Hollow Timber Sales. United States Department of Agriculture, Forest Service, Intermountain Region, Forest Insect and Disease Management, State and Private Forestry, Biological Evaluation R4-80-1. 9 p.
- Thier, R. W., and J. Hoffman. 1983. Forest insect and disease conditions, Intermountain Region, 1982. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Odgen, Utah. 23 p.
- Amman, G. D., R. W. Thier, M. D. McGregor, and R. F. Schmitz. 1989. Efficacy of verbenone in reducing lodgepole pine infestation by mountain pine beetles in Idaho . Canadian Journal of Forest Research 19:60-64.
- Ammon, G., R. Thier, J. Weatherby, L. Rasmussen, and A. Munson. 1991. Optimum dosage of verbenone to reduce infestation of mountain pine beetle in lodgepole pine stands of central Idaho. United States Department of Agriculture, Forest Service, Intermountain Research Station (Ogden, UT), Research Paper INT-446.
- Thier, R., and J. Weatherby. 1991. Mortality of Douglas-fir after two semiochemical baiting treatments for Douglas-fir beetle (Coleoptera: Scolytidae) . Journal of Economic Entomology 84:962-964.
- Negron, J., W. Schaupp, K. Gibson, J. Anhold, D. Hansen, R. Thier, and P. Mocetiini. 1999. Estimating extent of mortality associated with the Douglas-fir beetle in the central and northern Rockies . Western Journal of Applied Forestry 14:121-127.
- Ross, D., K. Gibson, R. Thier, and A. Munson. 1996. Optimal dose of an antiaggregation pheromone (3-methylclohex-2-en-lone) for protecting live Douglas-fir from attack by Dendroctonus pseudotsugae (Coleoptera: Scolytidae) . Journal of Economic Entomology 89:1204-1207.
- Steele, R., R. Williams, J. Weatherby, E. Reinhardt, J. Hoffman, and R. Thier. 1996. Stand hazard rating for Central Idaho forests. United States Department of Agriculture, Forest Service, Intermountain Research Station (Ogden, UT), General Technical Report INT-GTR-332. 29 pp.
- Thier, R., and S. Patterson. 1997. Mortality of Douglas-fir after operational semiochemical baiting for Douglas-fir beetle (Coleoptera: Scolytidae) . Western Journal of Applied Forestry 12:16-20.