| 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 release |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Completed spacing favoring spruce, uniform shelterwood stand, in MU23 on March 29 1982 |
| Date: | 3/29/1982 |
| 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 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: |
MU23 Compartment Management Study shelterwood system thinning sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Management unit sign, unspaced trees behind and trees spaced 2-by-3-meters across the road on the right, in MU23 on March 29 1982 |
| Date: | 3/29/1982 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system regeneration |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce sapling next to a range pole in a stand regenerated with uniform shelterwood, in MU23 in March 1981 |
| Date: | Mar-81 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel vehicle sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | People unloading a vehicle in a spruce stand in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU91 Cutting Practice Level Study selection system marking release |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Marking to remove competition and release spruce in a selection cut, in MU91 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system regeneration personnel plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots (DI, DJ), looking west from plot center, in MU33 in June 1979 |
| Date: | Jun-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: |
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: |
MU9 Compartment Management Study selection system |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce sapling in a selection stand with a 5-year cutting cycle, in MU9 on October 4 1978 |
| Date: | 10/4/1978 |
| 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: |
MU23 Compartment Management Study shelterwood system equipment road |
| Organisms: |
pine spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Snow machine on a forest road driving through a pine and spruce stand near in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study equipment logging strip clearcut damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Felled spruce showing decay in a strip clearcut in MU33 in the 1970s |
| Date: | 1970s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce with damage from spruce budworm in the 1970s |
| Date: | 1970s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Strip clearcut in the biomass harvesting study in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study regeneration site preparation strip clearcut |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A small spruce seedling regenerating underneath burned slash in a strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Hardwood regeneration in a strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut road |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Photo taken from the road of a strip clearcut in the biomass harvesting study in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU14 Compartment Management Study selection system personnel plot photo point |
| Organisms: |
eastern hemlock spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 13-inch dbh eastern hemlock chemically debarked, 9-inch dbh spruce left, photo point #2 (permanent sample plot 2/1) 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 personnel photo point |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce regeneration 3-5 feet tall, photo point #6 in MU14 on July 5 1956 |
| Date: | 7/5/1956 |
| 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: |
MU15 Compartment Management Study diameter-limit cut personnel plot photo point |
| Organisms: |
spruce eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Larger trees chemically debarked, 9-10 inch dbh spruce and eastern hemlock left, photo point #1 (permanent sample plot 3/5) 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 photo point |
| Organisms: |
spruce eastern hemlock paper birch |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce, eastern hemlock, paper birch up to 10 inches dbh, photo point #2 (looking southwest) in MU4 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 selection system timber stand improvement |
| Organisms: |
eastern hemlock spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Good cutting practice (selection cutting) in the Cutting Practice Level study, eastern hemlock and spruce stand 4 years after improvement cutting, in MU1 on July 28 1954 |
| Date: | 7/28/1954 |
| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU12 Compartment Management Study selection system regeneration photo point |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce and balsam fir regeneration in opening, trees in center are 15 feet tall, photo point #1 (looking southwest) in MU12 on July 16 1954 |
| Date: | 7/16/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system marking release photo point |
| Organisms: |
aspen balsam fir spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Aspen marked for cutting to release balsam fir and spruce, photo point #4 in MU2 on July 16 1954 |
| Date: | 7/16/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU5 Compartment Management Study selection system photo point |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce - balsam fir stand after cutting, 7-9 inch dbh spruce left, photo point #3 (looking across road) in MU5 on August 14 1952 |
| Date: | 8/14/1952 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system regeneration photo point |
| Organisms: |
balsam fir eastern white pine spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Opening caused by dying balsam fir. Fir seeding in (up to 3 feet tall), some eastern white pine and spruce, photo point #7 (north 38 degrees east) in MU2 on August 16 1951 |
| Date: | 8/22/1951 |
| 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: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Uprooting |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Uprooting |
| Date: | 1950s |


















































