Search results for: Stevens, Robert E., 1928-2020
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1
Western pine-shoot borer : a threat to intensive management of ponderosa pine in the Rocky Mountain area and southwest
Authors: Stevens, Robert E., 1928-2020
Published: Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1977Physical Description: 8 pages : illustrations ; 24 cm.Holdings: Loading…
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2
Implants and sprays for control of ponderosa pine needle miner in foliage of individual trees
Authors: Stevens, Robert E., 1928-2020
Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1982Physical Description: 4 pages ; 28 cm.Holdings: Loading…
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3
Insects associated with ponderosa pine in the Rocky Mountains and the Southwest
Authors: Stevens, Robert E., 1928-2020
Published: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1982Physical Description: 44 pages : illustrations ; 19 cm.Holdings: Loading…
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4
A roundheaded pine beetle outbreak in New Mexico : associated stand conditions and impact
Authors: Stevens, Robert E., 1928-2020
Published: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1974Physical Description: 4 pages : map ; 27 cm.Holdings: Loading…
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5
Risk rating guide for mountain pine beetle in Black Hills ponderosa pine
Authors: Stevens, Robert E., 1928-2020
Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1980Physical Description: 2 pages : illustrations ; 28 cm.Holdings: Loading…
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6
Key to large lepidopterous larvae on new foliage of Douglas-fir and true firs
Authors: Carolin, V. M. (Valentine M.), 1918-Other Authors: “…Stevens, Robert E., 1928-2020…”
Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1981
Physical Description: 4 pages : illustrations ; 28 cm.Holdings: Loading…
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7
Southwestern pine tip moth
Authors: Jennings, Daniel T.Other Authors: “…Stevens, Robert E., 1928-2020…”
Published: U.S. Department of Agriculture, Forest Service, 1982
Physical Description: 7 pages : illustrations (some color), 1 map ; 23 cm.Holdings: Loading…
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8
Vigor of ponderosa pine trees surviving mountain pine beetle attack
Authors: Kaufmann, Merrill R.Other Authors: “…Stevens, Robert E., 1928-2020…”
Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984
Physical Description: 5 pages : illustrations ; 28 cm.Holdings: Loading…
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9
Mountain pine beetle in Front Range ponderosa pine : what it's doing and how to control it
Published: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1974Other Authors: “…Stevens, Robert E., 1928-2020…”
Physical Description: 3 pages ; 28 cm.Holdings: Loading…
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10
Mountain pine beetle infestation characteristics in ponderosa pine, Kaibab Plateau, Arizona, 1975-1977
Authors: Parker, Douglas L., 1943-Other Authors: “…Stevens, Robert E., 1928-2020…”
Published: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1979
Physical Description: 4 pages : illustrations ; 27 cm.Holdings: Loading…
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11
Key to small lepidopterous larvae in opening buds and new shoots of Douglas-fir and true firs
Authors: Carolin, V. M. (Valentine M.), 1918-Other Authors: “…Stevens, Robert E., 1928-2020…”
Published: Rocky Mountain Forest and Range Experiment Station, Forest Station, Forest Service, U.S. Department of Agriculture, 1979
Physical Description: 4 pages : illustrations ; 27 cm.Holdings: Loading…
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12
Cydia youngana (Kearfott) (Lepidoptera:Tortricidae) and associates in Engelmann spruce cones, Fraser Experimental Forest, Colorado 1974-1977
Authors: Schmid, J. M.Other Authors:
Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1981Physical Description: 5 pages : illustrations ; 28 cm.Holdings: Loading…
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