| 0808084 |
fire |
|
Young stand in 1986 burn area that reburned in August, 1996. |
| 1359033 |
shelterwood |
|
Three-step shelterwood cutting method in Engelmann spruce-subalpine fir (Picea engel-mannii-Abies lasiocarpa) forest showing preparatory cut; Fraser Experimental Forest, Arapaho-Roosevelt National Forest, north-central Colorado |
| 1359034 |
shelterwood |
|
Clearcut cutting method in Engelmann spruce-subalpine fir (Picea engelmannii-Abies lasiocarpa) forest showing regeneration established since early 1980s; Fraser Experimen-tal Forest, Arapaho-Roosevelt National Forest, north-central Colorado |
| 0806098 |
selection |
|
Group selection opening in an old-growth Engelmann spruce-subalpine fir (Picea engelmannii-Abies lasiocarpa) forest; Fraser Experimental Forest, Arapaho-Roosevelt National Forest, north-central Colorado |
| 0976029 |
seed tree |
|
Bear Valley Ranger District |
| 0976030 |
shelterwood |
|
cut to 20 trees per acre at Manitou Experimental Forest |
| 0976031 |
cultivation |
|
site preparation disking for natural regeneration; South Park Ranger District |
| 0976032 |
shelterwood |
|
Fraser Experimental Forest |
| 0808083 |
fire |
|
Young stand in 1986 burn area. |
| 0808069 |
clearcut |
|
in the Notch area at west end of the Heppner Ranger District |
| 0976082 |
shelterwood |
|
seed cut unit (Brock 7) with 10-15 leave trees/acre; machine piled/burned |
| 0976083 |
shelterwood |
|
seed cut in Brock sale, unit 5, with 8-10 TPA left, machine piled/burned |