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1.
Pacific Northwest Economic Base Study for Power Markets - Forest Industries
2.
Annual report / Weyerhaeuser Timber Company 1949
3.
Columbia-North Pacific Region Comprehensive Framework Study. Appendix II: The Region
4.
Insects Affecting White Pine : 1. Nearly full grown larva of imperial moth, Basilona imperralis Drury; 2. Masses of the pine bark louwe, Chermes pinicorticis Fitch; 3. Pupal cells of white pine weevil, Pissodes strobi Peck under bark of pine log; 4. Burrows of larvae of same in bark; 5. Portion of dead shoot killed by the insect, showing the circular exit holes, the borings of the insect in upper part and the shrunken area extending down on the affected portion of the twig; 6. Pupal cells of white pine weevil within the wood, showing method of exit and also a few exit holes in the shrunken affected bark; 7. Adult weevil, Pissodes strobi Peck; 8. Leconte's sawfly larvae, Lophyrus lecontes Fitch in resting position, showing below the stubs of devoured foliate; 9. Pine leaf scale insect, Chionapsis furfura Fitch
5.
Insects Affecting Hard Pine : 1. Pitch mass of pitch twig moth Retinia constockiana Fern., with pupal shwll protruding therefrom in one case; the other shows old and recent pitch; 2. Pitch mass of pitch inhabiting midge, Diplosis resinicola Osten Sacken; 3. Shoot infested with Nantucket p9ine moth larva, Retinsia frustrana Scudd., showing the abortive growth; 4. Pitch pine needle gall fly, Diplosis pini-rigidae Pack., showing needles deformed by this insect; 4a. Work on needles of the prefious year; 5. Needles affected by the pine leaf miner, Gelechia pinifoliella Chamb., note the brown tips of the affected needles; 6. A pine sawfly larvae, Lophyrus abietis Harris in nabural position on the needles; below are stubs of eaten needles; 6a. Cocoon of same at base of pine needles; 7. Pine Chrysomela, Glyptoscelis pubescens Fabr...; 8. Pales weevil, Hylobius pales Herbst.; 9. Chrysobothris pusilla Bap. & Gory; 10. Chrysobothris florcola Gory; 11. Chrysobothris dentipes Germ.; 12, 13, and 14. Varieties of the light loving grapevine beetle, Anomala luciola Fabr., a species which is very abundant on hard pines; 15. Pilophorus crassipes Uhl....; 16. Magdalis alutacca Lec.; 17. Magdalis perforata Horn; 18. Lace winged fly, Chrysopa species; 18a. Cocoons of same on needles
6.
Water Today and Tomorrow: A Pacific Northwest Regional Program for Water and Related Resources: Volume II The Region
7.
Annual report / Weyerhaeuser Company 1975
8.
Annual report / Weyerhaeuser Timber Company 1945
9.
Annual report / Pegasus Gold Inc. 1990
10.
Columbia River and tributaries, Northwestern United States
11.
Annual report / Weyerhaeuser Timber Company 1958
12.
Annual report / Pegasus Gold Inc. 1991
13.
Annual report / Pegasus Gold Inc. 1993
14.
Annual report / Pegasus Gold Inc. 1995
15.
Annual report / Pegasus Gold Inc. 1996
16.
Coal mining operation, Pine Creek, Idaho, n.d.
17.
Ancient Karasaki pine tree, Kenrokuen Gardens, Kanazawa City, ca. 1921
18.
Columbia-North Pacific Region Comprehensive Framework Study. Appendix XIV: Fish and Wildlife.
19.
Traveling the Sunset Highway, Pine Canyon near Waterville, Washington, ca. 1918
20.
Annual report / Pegasus Gold Inc. 1994
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