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    USDA Forest Service - Region 2 - Rocky Mountain Region Archive (5)
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Forestry: Timber Stand Improvement

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Image Subject Name Scientific Name Description
1441021 mountain pine beetle Dendroctonus ponderosae burning beetle infested trees
1441020 mountain pine beetle Dendroctonus ponderosae Burning a large pile of beetle infested trees at night. Pike National Forest, South Platte District. June 1963
1207052 mountain pine beetle Dendroctonus ponderosae Burning pine in a beetle outbreak area as a control measure, November 1975
1450042 southern pine beetle Dendroctonus frontalis cut and leave treatment of 17-year old planted stand, stand basal area 120 square feet
1441013 mountain pine beetle Dendroctonus ponderosae Overstock stand with roundwood removal leaving 70 square feet of residual basal area. Black Hills National Forest in South Dakota.
1441019 mountain pine beetle Dendroctonus ponderosae Piling and burning beetle infested pine. Pike National Forest, Lake George Ranger District, March 1963
1441022 mountain pine beetle Dendroctonus ponderosae 400 beetle infected pines piled, ready to burn. Trees correctly piled. Pike National Forest, Lake George District. May 1963

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