| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system personnel thinning release |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Completed uniform shelterwood spacing job favoring spruce with a few hardwoods in MU23 on March 29 1982 |
| Date: | 3/29/1982 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system equipment regeneration personnel |
| Organisms: |
spruce balsam fir eastern white pine |
| 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: | 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: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU29 Compartment Management Study shelterwood system personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Results of the second cut of three-stage uniform shelterwood treatment, in MU29 in October 1968 |
| Date: | Oct-68 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU29 Compartment Management Study shelterwood system personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Uniform shelterwood with three-stage overstory removal, photo taken before cut was completed, in MU29 on July 23 1968 |
| Date: | 7/23/1968 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU14 Compartment Management Study selection system equipment logging personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Frank Roy preparing to skid logs with his horse in MU14, in May 1968 |
| Date: | May-68 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU31 Compartment Management Study selection system personnel logging |
| Organisms: | paper birch |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Harold Tuttle bucking paper birch bolts in MU31 in March 1957 |
| Date: | Mar-57 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU13 Compartment Management Study diameter-limit cut marking personnel photo point |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Pre-cut balsam fir stand with 8-9 inch dbh fir marked, photo point #1 in MU13 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU13 Compartment Management Study diameter-limit cut marking personnel photo point |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Heavy marking of balsam fir, 7-12 inches before cutting, in MU13, photo point #4 on July 5 1956 |
| Date: | 7/5/1956 |










