- Hamel, D. R. 1980. Forest and forest product pests. Pp. 748-796. in: Guidelines for control of insect and mite pests of foods, fibers, feeds, ornamentals, livestock, households. forests, and forest products.. Schwartz, P. H., Hamel, D. R. (eds.) United States Department of Agriculture, Agricultural Handbook. 796 pp..
- Furniss, M. M., J. W. Young, M. D. McGregor, R. L. Livingston, and D. R. Hamel. 1977. Effectiveness of controlled- release formulation of MCH for preventing Douglas fir beetle (Coleoptera: Scolytidae) infestation in felled trees . Canadian Entomologist 109:1063-1069.
- Hamel, D. R. 1977. Status of mountain pine beetle infestations in second-growth ponderosa pine stands, Little Rocky Mountains, Fort Belknap Reservation, Montana, 1977. United States Department of Agriculture, Forest Service, State and Private Forestry, Northern Region, Missoula, Montana, Report 77-18. 6 p.
- Hamel, D. R. 1978. Results of harvesting strategies for management of mountain pine beetle infestations in lodgepole pine on the Gallatin National Forest, Montana. Pages 192-196 in A. A. Berryman, G. D. Amman, R. W. Stark, and D. L. Kibbee (eds.), Theory and practice of mountain pine beetle management in lodgepole pine forests. 25-27 April 1978, Pullman, Washington. University of Idaho, College of Forest Resources. 220 p.
- Hamel, D. R., G. D. Amman, M. D. McGregor, W. E. Cole, and L. A. Rasmussen. 1975. Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine. United States Department of Agriculture, Forest Service, Northern Region, Forest Environmental Protection Report 75-12. 11 p.
- Hamel, D. R., and M. D. McGregor. 1976a. Biological notes on the emergence of mountain pine beetle and associates from lodgepole pine, Gallatin National Forest, Montana, 1975. United States Department of Agriculture, Forest Service, Northern Region, Report 76-7. 7 p.
- Hamel, D. R., and M. D. McGregor. 1976b. Evaluation of mountain pine beetle infestations; Lap, Cool, Lang, and Caribou drainages, Yaak Ranger District, Kootenai National Forest, Montana. United States Department of Agriculture, Forest Service, State and Private Forestry, Northern Region, Report 76-6. 10 p.
- Hamel, D. R., and M. D. McGregor. 1976c. Harvesting strategies for management of mountain pine beetle infestation in lodgepole pine. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection Report 76-3, Missoula, Montana. 7 p.
- Hamel, D. R., M. D. McGregor, and M. J. Berg. 1975a. Status of mountain pine beetle infestations: Yellowstone National Park, Wyoming. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Forest Environmental Protection, Report 75-4. 7 p.
- Hamel, D. R., M. D. McGregor, and M. J. Berg. 1975b. Status of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1974. United States Department of Agriculture, Forest Service, Northern Region, Report 75-6. 6 p.
- Hamel, D. R., M. D. McGregor, R. C. Lood, and H. E. Meyer. 1975. Evaluation of mountain pine beetle infestations, Snell Creek and Warland Peak Areas, Fisher River District, Kootenai National Forest, Montana. United States Department of Agriculture, Forest Service, State and Private Forestry, Northern Region, Report No. 75-21. 9 p.
- Hamel, D. R., M. D. McGregor, and H. E. Meyer. 1974. Status of mountain pine beetle on the Bitterroot National Forest, Montana and Idaho, 1974. United States Department of Agriculture, Forest Service Report NR 74-28. 6 p.
- Hamel, D. R., M. D. McGregor, and R. D. Oakes. 1977a. Evaluation of a mountain pine beetle infestation, Jack Creek drainage, Madison District, Beaverhead National Forest, Montana, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-9. 8 p.
- Hamel, D. R., M. D. McGregor, and R. D. Oakes. 1977b. Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, progress report, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-6. 7 p.
- Hamel, D. R., M. D. McGregor, and R. D. Oakes. 1977c. Status of mountain pine beetle infestation, Glacier National Park, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-4. 7 p.
- Hamel, D. R., and R. D. Oakes. 1977a. Evaluation of a mountain pine beetle infestation, Gold Creek drainage, Rexford District, Kootenai National Forest, Montana, 1976. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Missoula, Montana, Report 77-10. 8 p.
- Hamel, D. R., and R. D. Oakes. 1977b. Evaluation of mountain pine beetle infestation, Lap, Cool, and Caribou drainages, Yaak District, Kootenai National Forest, 1976. United States Department of Agriculture, Northern Region, Forest Service, State and Private Forestry, Missoula, Montana, Report 77-8. 7 p.
- Hamel, D. R., and R. D. Oakes. 1977c. Status of mountain pine beetle infestations in second growth ponderosa pine stands, Little Belt and Big Snowy Mountains, Lewis and Clark National Forest, Montana. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection Report 77-14. 6 p.
- Hamel, D. R., R. D. Oakes, and R. Hothem. 1977. Potential for infestation by mountain pine beetle in lodgepole pine stands Hungry-horse District, Flathead National Forest, 1977. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection Report 77-11. 5 p.
- Hamel, D. R., R. D. Oakes, M. D. McGregor, and R. C. Lood. 1975. Evaluation of Douglas-fir beetle infestations, North Fork, Clearwater River drainage, Idaho. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Insect and DiseaseReport 75-11. 8 p.
- McGregor, M. D., D. R. Hamel, and S. Kohler. 1978. Status of mountain pine beetle infestation, Glacier National Park and Glacier View Ranger District, Flathead National Forest, Montana, 1977. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Report 78-6. 14 p.
- McGregor, M. D., D. R. Hamel, and R. C. Lood. 1976. Evaluation of mountain pine beetle infestation, Gallatin Ranger District, Gallatin National Forest, Montana, 1975. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection, Report 76-5. 11 p.
- McGregor, M. D., D. R. Hamel, R. C. Lood, and H. E. Meyer. 1975. Status of mountain pine beetle infestations: Glacier National Park, 1974. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Report NR-75-10. 7 p.
- McGregor, M. D., D. R. Hamel, R. C. Lood, H. E. Meyer, and S. Kohler. 1975. Evaluation of mountain pine beetle infestations, Lazier and Meadow Creek Drainages, Plains District, Lolo National Forest, Montana, 1975. United States Department of Agriculture, Forest Service, Northern Region, Report 75-17. 11 p.
- McGregor, M. D., D. R. Hamel, and H. E. Meyer. 1978. Status of mountain pine beetle infestation: Bozeman-Gallatin Ranger District, Gallatin National Forest, 1977. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Report 78-4. 11 p.
- McGregor, M. D., D. R. Hamel, H. E. Meyer, and R. C. Lood. 1975a. Evaluation of a mountain pine beetle infestation, Calx-Tamarak Creek Drainage, Fisher River Ranger District, Kootenai National Forest, Montana, 1974. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection, Report NR-75-2. 9 p.
- McGregor, M. D., D. R. Hamel, and R. D. Oakes. 1977a. Evaluation of mountain pine beetle infestations, Thompson River Drainage, Plains District, Lolo National Forest, Montana, 1976. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection, Report 77-5. 5 p.
- McGregor, M. D., D. R. Hamel, and R. D. Oakes. 1977b. Status of mountain pine beetle infestation, Gallatin National Forest, 1976. United States Department of Agriculture, Forest Service, Northern Region, Forest Environment Protection, Report 77-12. 8 p.
- McGregor, M. D., D. R. Hamel, R. D. Oakes, and H. E. Meyer. 1978. Evaluation of mountain pine beetle in high use areas and other infested stands on the Hebgen Lake Ranger District, Gallatin National Forest, 1977. United States Department of Agriculture, Forest Service, Northern Region, State and Private Forestry, Report 78-2. 10 p.
- McGregor, M. D., R. E. Williams, C. E. Carlson, O. J. Dooling, and D. P. Hamel. 1977. Northern Rocky Mountains (R-1). Pages 21-28 in H. V. Toko and T. J. Rogers (eds.), Forest insect and disease conditions in the United States, 1974. United States Department of Agriculture, Forest Service. vi + 55 p.
- Hamel, D. R. 1989. Registration status of bark beetle semiochemicals. Pages 118-119 in G. D. Amman, Management of lodgepole pine to minimize the losses to the mountain pine beetle: symposium proceedings. United States Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, Utah, General Technical Report INT-262. 119 p.