| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU16 Compartment Management Study selection system regeneration |
| Organisms: |
red spruce eastern hemlock balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Large red spruce and eastern hemlock with a sapling understory of balsam fir in a selection stand, in MU16 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU16 Compartment Management Study selection system regeneration |
| Organisms: |
balsam fir red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Prolific balsam fir reproduction and some red spruce in a forest opening in a selection stand, in MU16 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system regeneration |
| Organisms: |
white spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | White spruce 10 inches dbh, balsam fir coming in opening, larger fir are 6 feet tall, in MU2 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU21 Compartment Management Study shelterwood system |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Shelterwood silviculture, in MU21 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 6-10 foot tall balsam fir in a 15 year-old opening in MU23 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU5 Compartment Management Study selection system |
| Organisms: |
black spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Black spruce and balsam fir, in MU5 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration |
| Organisms: |
spruce eastern white pine balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce, eastern white pine, and balsam fir regeneration with a mixedwood overstory in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | regeneration |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam fir and spruce regeneration |
| Date: |








