Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

USFS Logo Research Data Archive

*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 10 of 17
10 | 20 | 50 per page
Dense mature eastern hemlock stand, trees are 8-12 inches dbh, one red spruce on right is 12 inches dbh, big eastern white pine in background (on the edge of permanent sample plot 3/2), a few small balsam fir seedlings, photo point #5 (on cruise line 3 midway between plots 2 and 3) in MU32 on September 27, 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU32
reference
plot
photo point
Organisms: eastern hemlock
red spruce
eastern white pine
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Dense mature eastern hemlock stand, trees are 8-12 inches dbh, one red spruce on right is 12 inches dbh, big eastern white pine in background (on the edge of permanent sample plot 3/2), a few small balsam fir seedlings, photo point #5 (on cruise line 3 midway between plots 2 and 3) in MU32 on September 27, 1955
Date: 9/27/1955

Eastern white pine stand with balsam fir understory (1-3 inches dbh), three pines in foreground are 10-12 inches dbh, the red pine is 10-11 inches dbh, there are four white pines in the background, photo point #2 (0.7-chain from swamp sub-compartment, boundary, and along cruise line 1) in MU32 on September 27 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU32
reference
photo point
Organisms: eastern white pine
balsam fir
red pine
Location: Penobscot Experimental Forest; Maine
Description: Eastern white pine stand with balsam fir understory (1-3 inches dbh), three pines in foreground are 10-12 inches dbh, the red pine is 10-11 inches dbh, there are four white pines in the background, photo point #2 (0.7-chain from swamp sub-compartment, boundary, and along cruise line 1) in MU32 on September 27 1955
Date: 9/27/1955

Young balsam fir with a few aspen and red spruce, photo point #1 (8 feet from center of permanent sample plot 1/3) in MU32 on September 27 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU32
reference
plot
photo point
Organisms: balsam fir
aspen
red spruce
Location: Penobscot Experimental Forest; Maine
Description: Young balsam fir with a few aspen and red spruce, photo point #1 (8 feet from center of permanent sample plot 1/3) in MU32 on September 27 1955
Date: 9/27/1955

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
more info/bigger image
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

Dense balsam fir stand, pre-cut, in MU 24 on May 24, 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU24
Compartment Management Study
diameter-limit cut
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Dense balsam fir stand, pre-cut, in MU 24 on May 24, 1955
Date: 5/24/1955

Eastern hemlock - hardwood stand before cutting, 9-inch dbh red maple and 12-inch dbh American beech marked for cutting, 14-inch dbh hemlock kept as future sawlog tree, balsam fir and beech regeneration, photo point #2 (on MU boundary behind permanent sample plot 1/1) in MU24 on May 24 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU24
Compartment Management Study
diameter-limit cut
marking
plot
release
regeneration
photo point
Organisms: eastern hemlock
red maple
American beech
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock - hardwood stand before cutting, 9-inch dbh red maple and 12-inch dbh American beech marked for cutting, 14-inch dbh hemlock kept as future sawlog tree, balsam fir and beech regeneration, photo point #2 (on MU boundary behind permanent sample plot 1/1) in MU24 on May 24 1955
Date: 5/24/1955

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
more info/bigger image
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

Dense pre-cut stand of 5-9 inch balsam fir, in MU 24 on May 24, 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU24
Compartment Management Study
diameter-limit cut
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Dense pre-cut stand of 5-9 inch balsam fir, in MU 24 on May 24, 1955
Date: 5/24/1955

Balsam fir saplings in an opening, photo point #2 (one-half chain from southwest boundary between cruise lines 1 and 2, tripod legs half extended) in MU17 on May 6 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU17
Compartment Management Study
selection system
regeneration
photo point
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Balsam fir saplings in an opening, photo point #2 (one-half chain from southwest boundary between cruise lines 1 and 2, tripod legs half extended) in MU17 on May 6 1955
Date: 5/6/1955

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
more info/bigger image
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