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Creator:: United States. Forest Service. Northern Region
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: AGRICULTURE FOREST SERVICE t7 7' -'i"J - Recommended by: (Chief, Forest Service) A PROPOSAL

Creator:: LaLande, Jeffrey M. and United States. Forest Service. Pacific Northwest Region
Abstract:: Gerald W. Williams Collection
Resource Type:: Book

Creator:: Dewey, Jerald E., Jenkins, Michael J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An evaluation was made in 21 seed production areas and 1 seed orchard in Region 1 to identify the primary insect pests and to assess amount of injury caused. Cones from Douglas-fir, grand fir, western larch, lodgepole pine, ponderosa pine, and western white pine were collected periodically and examined. The...
Resource Type:: Technical Report
Full Text:: • FOREST SERVICE • NORTHERN REGION State & Private Forestry • Missoula, MT 59801 3450 Report No. 79-16

Creator:: Tunnock, Scott and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An aerial survey during 1974 revealed approximately 5,000 acres of various degrees of Douglas-fir tussock moth, Orgyia pseudotsugata McD., defoliation in the lower Flathead Valley. An egg mass survey was made in September to determine the potential for damage in 1975. Based on new egg mass densities, significant defoliation may...
Resource Type:: Technical Report
Full Text:: ). 1/ Entomologists, USDA, Forest Service, State and Private Forestry, Missoula, Montana. 2

Creator:: Dewey, Jerald E., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A western false hemlock looper, Neptyia freeman Munroe, outbreak was detected in the late summer of 1973 at the north end of Flathead Lake. Defoliation, from barely detectable to heavy (most foliage removed from upper half of trees), occurred on Douglas-fir over about 3,000 acres located between Somers and Kalispell,...
Resource Type:: Technical Report
Full Text:: Services, Division of State and Private Forestry, USDA Forest Service, Missoula, Montana. 2/ Entomologist

Creator:: Carlson, Clinton E., Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: )/\ USDA FOREST SERVICE/NORTHERN REGION .M.•••••• Report No. 73

Creator:: Tunnock, Scott and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: USDA FOREST SERVICE/NORTHERN REGION Report No. 73-23 5200

Creator:: Carlson, Clinton E. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: USDA FOREST SERVICE/NORTHERN REGION Report No. 73-3 5230

Creator:: United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: USDA FOREST SERVICE/NORTHERN REGION Report No. 73-14 5200

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