| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system regeneration |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system equipment regeneration |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration three years after final overstory removal in uniform shelterwood, snow machine, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system personnel regeneration |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A person standing with regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system personnel regeneration equipment |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
pre-harvest softwood |
| Organisms: |
spruce red maple striped maple |
| Location: | Paul Smith Experimental Forest; Compartment 52 |
| Description: | Taken N58E from a point 0.94 chains S43E of stake 20-80. Red maple and some spruce which developed following heavy cut for softwood 40-50 years ago. |
| Date: | 10/11/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system |
| Organisms: |
balsam fir poplar red maple spruce northern white-cedar |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Mixed stand of balsam fir, poplar, red maple, spruce, and northern white-cedar, in MU2 on August 16 1951 |
| Date: | 8/16/1951 |
| 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: |
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: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
reproduction gap |
| Organisms: |
spruce yellow birch red maple |
| Location: | Paul Smith Experimental Forest |
| Description: | On the spruce-yellow birch site, red maple reproduction quickly takes advantage of large openings. |
| Date: | 1950 |









