| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system equipment road |
| Organisms: |
pine spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Snow machine on a forest road driving through a pine and spruce stand near in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU24 Compartment Management Study diameter-limit cut |
| Organisms: |
spruce balsam fir pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Old pine stump in what is now a dense even-aged stand of spruce and balsam fir, just northeast of Seymour tote road about 2 and one-half chains from boundary of MUs 23 and 24, in MU24 on May 24 1955 |
| Date: | 5/24/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU5 Compartment Management Study selection system logging |
| Organisms: |
pine red spruce eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Deck of pine, red spruce, and eastern hemlock logs from first harvest cut, "good" cutting practice, in MU5 on October 21 1952 |
| Date: | 10/21/1952 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel logging |
| Organisms: | pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Robert M. Frank assessing conifer logs at a landing |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
regeneration damage |
| Organisms: |
pine spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Conifer leader damage, ice and snow |
| Date: |





