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by USDA Forest Service

414 photos · 82 views
1952. Spruce Budworm Control Project publication cover. Oregon State Board of Forestry.
1952. Spruce Budworm Control Project Plan of Operation publication cover. Oregon State Board of Forestry. Salem, Oregon.
1950. Plan of Operations, Spruce Budworm Control Program publication cover. Oregon State Board of Forestry. George Spaur State Forester. Salem, Oregon.
1965. Picking western white pine cones with a ladder. Horse Creek, Wasllowa-Whitman National Forest, Oregon.
1965. Picking western white pine cones with a ladder. Horse Creek, Wasllowa-Whitman National Forest, Oregon.
1965. Picking western white pine cones with a ladder. Horse Creek, Wasllowa-Whitman National Forest, Oregon.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Presented to the Joint Congressional Committee on Forestry. Publication cover.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 1.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Chart 1: Total annual loss from Pine Beetles in Oregon and Washington 1931 to 1938.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Chart 2. Average Annual Value of Ponderosa Pine Killed By Beetles in Oregon and Washington 1931-1937.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Chart 3. Average Annual Growth and Depletion of Ponderosa Pine Eastside Oregon and Washington 1931-1937.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 5.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 6.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 7.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 8.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 8. Figure 3. Map of Major Projects 1938-1939. Forest Insect Laboratory, Portland, Oregon.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Chart 6. Average Annual Value of Ponderosa Pine Killed by Beetles in Oregon and Washington and Amount Spent for Control and Research 1931-1938.
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 11.
2017. Spray helicopter and chase truck. Asian gypsy moth eradication. Oregon.
c.1920. A brush pile that has been so piled that it will burn clean when fire is applied to it. Medicine Bow National Forest, Wyoming.
1965. Timber stand mapping project. Forest Officer transfers stand map information from aerial photos to base map by means of Zeiss Sketchmaster. Pisgah and Nantahala National Forests, North Carolina.
1946. Aerial photo interpretation technique by Earl J. Rogers. Northeastern Forest Experiment Station, Philadelphia, Pennsylvania.
1946. View of radial line plotter used in locating sample plots on aerial photos. Northeastern Forest Experiment Station, Philadelphia, Pennsylvania.
1946. View of radial line plotter used in locating sample plots on aerial photos. Northeastern Forest Experiment Station, Philadelphia, Pennsylvania.
1975. Alex Shigo (left) testing tree soundness with a shigometer.
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