| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU91 Cutting Practice Level Study selection system marking release |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Marking to remove competition and release spruce in a selection cut, in MU91 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU13 Compartment Management Study diameter-limit cut marking release plot photo point |
| Organisms: |
red maple eastern hemlock red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 11-inch dbh red maple and 23-inch dbh eastern hemlock marked to release 11-inch dbh red spruce, photo point #5 (permanent sample plot 6/1) in MU13 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU24 Compartment Management Study diameter-limit cut marking plot release regeneration photo point |
| Organisms: |
eastern hemlock red maple American beech balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Eastern hemlock - hardwood stand before cutting, 9-inch dbh red maple and 12-inch dbh American beech marked for cutting, 14-inch dbh hemlock kept as future sawlog tree, balsam fir and beech regeneration, photo point #2 (on MU boundary behind permanent sample plot 1/1) in MU24 on May 24 1955 |
| Date: | 5/24/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system marking release photo point |
| Organisms: |
aspen balsam fir spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Aspen marked for cutting to release balsam fir and spruce, photo point #4 in MU2 on July 16 1954 |
| Date: | 7/16/1954 |