| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Logging Study shelterwood system equipment logging road |
| Organisms: |
balsam fir spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Equipment used for cutting conifers along the road in the Logging Study, in MU2 in 1984 |
| Date: | 1984 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU8 Compartment Management Study commercial clearcut |
| Organisms: |
spruce balsam Fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand before second commercial clearcut, in MU8 in 1983 |
| Date: | 1983 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system thinning |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Two-meter-wide corridor-only spacing (row thinning) in an uniform shelterwood stand on a somewhat poorly to poorly drained site, in MU23 on March 29 1982 |
| Date: | 3/29/1982 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning damage |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Ice storm damage to spruce and balsam fir, in Study 58 in January 1979 |
| Date: | Jan-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning damage |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Ice storm damage to spruce and balsam fir, in Study 58 in January 1979 |
| Date: | Jan-79 |
| 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 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 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: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system regeneration |
| Organisms: |
spruce balsam fir eastern white pine |
| 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: |
MU14 Compartment Management Study selection system marking photo point |
| Organisms: |
balsam fir eastern hemlock spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 8 and 10 inch dbh balsam fir marked, leaving 8 inch dbh eastern hemlock and a clump of 4 inch dbh spruce in MU14 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU14 Compartment Management Study selection system regeneration plot photo point |
| Organisms: |
spruce balsam fir eastern hemlock raspberry bracken fern |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Large opening made about 12 years ago, bracken fern and raspberry with few spruce, balsam fir, or eastern hemlock seedlings, photo point #1 (near permanent sample plot 3/1) in MU14 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: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system regeneration plot photo point |
| Organisms: |
spruce balsam fir raspberry |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Patch of raspberry with a few spruce and balsam fir seedlings, photo point #6 (permanent sample plot 2/1) in MU23 on May 24 1955 |
| Date: | 5/24/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU24 Compartment Management Study diameter-limit cut |
| Organisms: |
spruce balsam fir pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Old pine stump in what is now a dense even-aged stand of spruce and balsam fir, just northeast of Seymour tote road about 2 and one-half chains from boundary of MUs 23 and 24, in MU24 on May 24 1955 |
| Date: | 5/24/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU17 Compartment Management Study selection system regeneration plot photo point |
| Organisms: |
balsam fir eastern hemlock spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Old clearing with balsam fir and eastern hemlock regeneration, one cull hemlock treated and two hemlock to be removed in a selection cutting, four pole-size spruce trees, photo point #5 (along the road 2.3 chains beyond permanent sample plot center post) in MU17 on May 6 1955 |
| Date: | 5/6/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU17 Compartment Management Study selection system marking plot photo point |
| Organisms: |
eastern hemlock spruce maple balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce - eastern hemlock stand, some hemlock to be cut, cull maple, balsam fir thicket behind two hemlock marked for removal in a selection cutting, photo point #4 (near permanent sample plot 2/1) in MU17 on May 6 1955 |
| Date: | 5/6/1955 |
| 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: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU12 Compartment Management Study selection system regeneration photo point |
| Organisms: |
spruce balsam fir eastern white pine eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Pre-cut, spruce 6-8 inches dbh, balsam fir 4-12 inches dbh, eastern white pine 12 inches dbh by axe, seedlings of pine, eastern hemlock, spruce, and fir, photo point #1 (looking east) in MU12 on July 16 1954 |
| Date: | 7/16/1954 |




















