| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system |
| Organisms: | red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Red maple swamp type, in MU2 on March 28 1951 |
| Date: | 3/28/1951 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system |
| Organisms: |
balsam fir eastern white pine red maple spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam fir, eastern white pine, red maple, and spruce in MU2 on March 28 1951 |
| Date: | 3/28/1951 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU26 Compartment Management Study selection system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | MU 26 in 1950's |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU26 Compartment Management Study selection system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | MU 26 in 1950's |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU26 Compartment Management Study selection system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | MU 26 in 1950's |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU26 Compartment Management Study selection system regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration, in MU26 |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU3 Compartment Management Study selection system damage marking |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Pre-cut stand with patch of trees blown down in December 1950, balsam fir marked, in MU3, about 1950 |
| Date: | 1950s |
| 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: |
MU20 Compartment Management Study selection system |
| Organisms: | red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Red spruce in MU20 |
| 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: |
MU90 Cutting Practice Level Study selection system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Selection stand, in MU 90 |
| Date: |













