| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system personnel plot regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), Dan Keddell conducting inventory, in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system personnel |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Fran Laurler reducing stand density to 55 square feet of basal area in shelterwood cut (DI, DJ), in MU33 in June 1979 |
| Date: | Jun-79 |
| 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: |
personnel damage |
| Organisms: |
balsam fir balsam woolly adelgid |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam woolly aphid (adelgid) stem attack classified as heavy, on June 3 1958 |
| Date: | 6/3/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel damage |
| Organisms: |
balsam fir balsam woolly adelgid |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam woolly aphid (adelgid) stem attack, on June 3 1958 |
| Date: | 6/3/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel damage |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam woolly aphid (adelgid) stem attack, on June 3 1958 |
| Date: | 6/3/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | personnel |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Dense second-growth balsam fir (image used in silvics paper), in June 1958 |
| Date: | Jun-58 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Arthur Hart in a second-growth balsam fir stand, balsam fir regeneration by building, in June 1958 |
| Date: | Jun-58 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam fir regeneration in opening east of swamp on Harper Drive in April 1957 |
| Date: | Apr-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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU15 Compartment Management Study diameter-limit cut personnel regeneration photo point |
| Organisms: |
balsam fir eastern hemlock red maple American beech |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Opening seeding in to balsam fir, eastern hemlock, red maple, and American beech, photo point #4 (between old woods road and MU14 boundary) in MU15 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU4 Compartment Management Study diameter-limit cut personnel plot photo point |
| Organisms: |
balsam fir spruce eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam fir saplings in foreground, 10-inch dbh spruce and eastern hemlock in background, photo point #2 (permanent sample plot 2/2, west of gravel road, south of woods road looking north) in MU4 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: | personnel |
| Organisms: | balsam fir |
| Location: | Paul Smith Experimental Forest; Compartment 29 |
| Description: | In October 1956. |
| Date: | 1956 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel blowdown |
| Organisms: | balsam fir |
| Location: | Paul Smith Experimental Forest; Compartment 29 |
| Description: | In October 1956. |
| Date: | 1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system personnel photo point |
| Organisms: |
balsam fir American beech red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Before cutting in mixed stand. Balsam fir 7 inches, American beech 9 inches, red maple 10 inches, in MU23 on March 31 1955 |
| Date: | 3/31/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU1 Cutting Practice Level Study commercial clearcut personnel |
| Organisms: |
spruce balsam fir raspberry |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Poor cutting practice (commercial clearcut) in the Cutting Practice Level Study, fifth growing season after stumpwood cutting in spruce - balsam fir stand, raspberry plants growing in "stump road," in MU1 on July 28 1954 |
| Date: | 7/28/1954 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
old growth softwood personnel |
| Organisms: |
white pine red spruce balsam fir |
| Location: | Paul Smith Experimental Forest |
| Description: | Overstory of 100-year-old white pine with dense understory of tolerant balsam fir and red spruce. This is typical in this vicinity. There is little opportunity for new white pines. These 100-year-old pines originated after an extremely hot fire burned heavy softwood slash. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel second growth post harvest |
| Organisms: |
white pine red spruce balsam fir |
| Location: | Paul Smith Experimental Forest |
| Description: | After large white pines were cut about 40 years ago, these understory red spruce and balsam fir - and a few pines - occupied the site. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel harvest log deck stump |
| Organisms: |
white pine balsam fir spruce |
| Location: | Paul Smith Experimental Forest |
| Description: | After a stand of large pines were cut about 1900, understory balsam fir and spruce developed to pulpwood size. Only a few pines originated after the cutting in 1900, because spruce and fir already occupied the site. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel post-harvest |
| Organisms: |
red spruce white pine balsam fir |
| Location: | Paul Smith Experimental Forest |
| Description: | Understory red spruce, balsam fir, and a few white pines occupied the site after large overstory pines were cut about 40 years ago. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel blowdown |
| Organisms: | balsam fir |
| Location: | Paul Smith Experimental Forest |
| Description: | Balsam fir, about 70 years old, was partially uprooted by hurricane Hazel. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel pre-harvest |
| Organisms: | balsam fir |
| Location: | Paul Smith Experimental Forest |
| Description: | Part of stand at lower elevation, before cutting occurred in 1955. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel softwood |
| Organisms: | balsam fir |
| Location: | Paul Smith Experimental Forest |
| Description: | Upper slope balsam fir at 3,759 feet elevation. Growth is slow. At elevations 1,000 feet higher fir generally do not exceed 1/3 this site. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel post-harvest softwood |
| Organisms: | balsam fir |
| Location: | Paul Smith Experimental Forest |
| Description: | These fir came in after a softwood cutting about 40 years ago. |
| Date: | 1950 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
personnel stump post-harvest |
| Organisms: |
balsam fir maple |
| Location: | Paul Smith Experimental Forest; Compartment 29 |
| Description: | After cutting, in October 1950. |
| Date: | 1950 |




























