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USFS Logo Research Data Archive

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Displaying items 1 - 20 of 20
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A graph depicting 30-year net production in MUs 90 through 93 after different treatments applied in the Cutting Practice Level Study
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU90
MU91
MU92
MU93
Cutting Practice Level Study
selection system
commercial clearcut
diameter-limit cut
study results
Location: Penobscot Experimental Forest; Maine
Description: A graph depicting 30-year net production in MUs 90 through 93 after different treatments applied in the Cutting Practice Level Study
Date: 1980

Opening made 12 years ago, with balsam fir, eastern hemlock, and white pine seedlings up to 1 foot tall, in MU13 on July 5 1956
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU13
Compartment Management Study
diameter-limit cut
regeneration
Organisms: balsam fir
eastern hemlock
eastern white pine
Location: Penobscot Experimental Forest; Maine
Description: Opening made 12 years ago, with balsam fir, eastern hemlock, and white pine seedlings up to 1 foot tall, in MU13 on July 5 1956
Date: 7/5/1956

11-inch dbh red maple and 23-inch dbh eastern hemlock marked to release 11-inch dbh red spruce, photo point #5 (permanent sample plot 6/1) in MU13 on July 5 1956
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU13
Compartment Management Study
diameter-limit cut
marking
release
plot
photo point
Organisms: red maple
eastern hemlock
red spruce
Location: Penobscot Experimental Forest; Maine
Description: 11-inch dbh red maple and 23-inch dbh eastern hemlock marked to release 11-inch dbh red spruce, photo point #5 (permanent sample plot 6/1) in MU13 on July 5 1956
Date: 7/5/1956

Pre-cut balsam fir stand with 8-9 inch dbh fir marked, photo point #1 in MU13 on July 5 1956
more info/bigger image
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

Heavy marking of balsam fir, 7-12 inches before cutting, in MU13, photo point #4 on July 5 1956
more info/bigger image
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

Eastern hemlock marked for cutting, in MU13 on July 5 1956
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU13
Compartment Management Study
diameter-limit cut
marking
personnel
Organisms: eastern hemlock
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock marked for cutting, in MU13 on July 5 1956
Date: 7/5/1956

Eastern hemlock stand before cutting, two 14-inch dbh trees marked, in MU13 on July 5 1956
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU13
Compartment Management Study
diameter-limit cut
marking
personnel
photo point
Organisms: eastern hemlock
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock stand before cutting, two 14-inch dbh trees marked, in MU13 on July 5 1956
Date: 7/5/1956

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
more info/bigger image
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

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
more info/bigger image
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

Spruce, eastern hemlock, paper birch up to 10 inches dbh, photo point #2 (looking southwest) in MU4 on July 5 1956
more info/bigger image
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

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
more info/bigger image
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

A 26-inch dbh eastern white pine marked for cutting, the largest pine to date on the Penobscot Experimental Forest, 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
Organisms: eastern white pine
Location: Penobscot Experimental Forest; Maine
Description: A 26-inch dbh eastern white pine marked for cutting, the largest pine to date on the Penobscot Experimental Forest, in MU24 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

Bernard L. Baker using wrist guard while handling pulpwood in MU4 in March 1952 (photo 1 of 2)
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU4
Compartment Management Study
diameter-limit cut
personnel
logging
Location: Penobscot Experimental Forest; Maine
Description: Bernard L. Baker using wrist guard while handling pulpwood in MU4 in March 1952 (photo 1 of 2)
Date: Mar-52

Bernard L. Baker using wrist guard while handling pulpwood in MU4 in March 1952 (photo 2 of 2)
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU4
Compartment Management Study
diameter-limit cut
personnel
logging
Location: Penobscot Experimental Forest; Maine
Description: Bernard L. Baker using wrist guard while handling pulpwood in MU4 in March 1952 (photo 2 of 2)
Date: Mar-52

Preston A. Morse felling American larch with chainsaw, in MU4 in March 1952
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU4
Compartment Management Study
diameter-limit cut
personnel
equipment
logging
Organisms: American larch
Location: Penobscot Experimental Forest; Maine
Description: Preston A. Morse felling American larch with chainsaw, in MU4 in March 1952
Date: Mar-52

Fair cutting practice (diameter-limit cutting) before cutting, in the Cutting Practice Level Study, in MU1 on August 20 1951
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU1
Cutting Practice Level Study
diameter-limit cut
Location: Penobscot Experimental Forest; Maine
Description: Fair cutting practice (diameter-limit cutting) before cutting, in the Cutting Practice Level Study, in MU1 on August 20 1951
Date: 8/20/1951