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USFS Logo Research Data Archive
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Group visiting the Penobscot Experimental Forest from the World Forestry Center in front of tour bus near the U.S. Forest Service building, on October 6 1987
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
vehicle
Location: Penobscot Experimental Forest; Maine
Description: Group visiting the Penobscot Experimental Forest from the World Forestry Center in front of tour bus near the U.S. Forest Service building, on October 6 1987
Date: 10/6/1987

Group visiting Penobscot Experimental Forest from the World Forestry Center in front of tour bus near the U.S. Forest Service building, on October 6, 1987
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
vehicle
Location: Penobscot Experimental Forest; Maine
Description: Group visiting Penobscot Experimental Forest from the World Forestry Center in front of tour bus near the U.S. Forest Service building, on October 6, 1987
Date: 10/6/1987

Completed uniform shelterwood spacing job favoring spruce with a few hardwoods in MU23 on March 29 1982
more info/bigger image
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

Mike Shewokis with the 10-year spacing results display model in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
personnel
study results
Location: Penobscot Experimental Forest; Maine
Description: Mike Shewokis with the 10-year spacing results display model in Study 58 in the 1980s
Date: 1980s

People near the 10-year spacing study results display model in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
personnel
study results
Location: Penobscot Experimental Forest; Maine
Description: People near the 10-year spacing study results display model in Study 58 in the 1980s
Date: 1980s

A field tour visiting the 10-year spacing study results display model in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
personnel
study results
Location: Penobscot Experimental Forest; Maine
Description: A field tour visiting the 10-year spacing study results display model in Study 58 in the 1980s
Date: 1980s

People unloading a vehicle in a spruce stand in Study 58 in the 1980s
more info/bigger image
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

Fran Lawlor with the snow machine in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
equipment
road
Location: Penobscot Experimental Forest; Maine
Description: Fran Lawlor with the snow machine in the 1980s
Date: 1980s

A tour group visiting the Penobscot Experimental Forest posing in front of a bus with U.S. Forest Service personnel at the Administrative site, Robert M. Frank second from right, 1970s or 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
vehicle
Location: Penobscot Experimental Forest; Maine
Description: A tour group visiting the Penobscot Experimental Forest posing in front of a bus with U.S. Forest Service personnel at the Administrative site, Robert M. Frank second from right, 1970s or 1980s
Date: 1970s or 1980s

A forester outside the old U.S. Forest Service building at the Penobscot Experimental Forest Administrative site, 1970s or 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: infrastructure
personnel
Location: Penobscot Experimental Forest; Maine
Description: A forester outside the old U.S. Forest Service building at the Penobscot Experimental Forest Administrative site, 1970s or 1980s
Date: 1970s or 1980s

University of Maine students from Ralph Griffin's class, PEF tour with U.S. Forest Service staff, 1970s or 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: vehicle
road
personnel
Location: Penobscot Experimental Forest; Maine
Description: University of Maine students from Ralph Griffin's class, PEF tour with U.S. Forest Service staff, 1970s or 1980s
Date: 1970s or 1980s

Regeneration plots starting from east line (BU, BV), Dan Keddell conducting inventory, in MU33 in June 1979
more info/bigger image
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

Regeneration plots (DI, DJ), looking west from plot center, in MU33 in June 1979
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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

Fran Laurler reducing stand density to 55 square feet of basal area in shelterwood cut (DI, DJ), in MU33 in June 1979
more info/bigger image
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

Skid trail over a clay base, rutted 2 feet deep during shelterwood harvest operation, in MU33 on October 1 1978
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
personnel
damage
Location: Penobscot Experimental Forest; Maine
Description: Skid trail over a clay base, rutted 2 feet deep during shelterwood harvest operation, in MU33 on October 1 1978
Date: 10/1/1978

Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975
more info/bigger image
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

A person standing with regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975
more info/bigger image
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

Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975
more info/bigger image
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

Ralph Griffin and University of Maine students in a single-tree selection stand with a 15-year cutting cycle, in MU91 in May 1973
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU91
Cutting Practice Level Study
selection system
personnel
Location: Penobscot Experimental Forest; Maine
Description: Ralph Griffin and University of Maine students in a single-tree selection stand with a 15-year cutting cycle, in MU91 in May 1973
Date: May-73

Person showing damaged leaders on conifer seedlings
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
regeneration
damage
Location: Penobscot Experimental Forest; Maine
Description: Person showing damaged leaders on conifer seedlings
Date: 1970s

Results of the second cut of three-stage uniform shelterwood treatment, in MU29 in October 1968
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU29
Compartment Management Study
shelterwood system
personnel
Location: Penobscot Experimental Forest; Maine
Description: Results of the second cut of three-stage uniform shelterwood treatment, in MU29 in October 1968
Date: Oct-68

Uniform shelterwood with three-stage overstory removal, photo taken before cut was completed, in MU29 on July 23 1968
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU29
Compartment Management Study
shelterwood system
personnel
Location: Penobscot Experimental Forest; Maine
Description: Uniform shelterwood with three-stage overstory removal, photo taken before cut was completed, in MU29 on July 23 1968
Date: 7/23/1968

Frank Roy preparing to skid logs with his horse in MU14, in May 1968
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU14
Compartment Management Study
selection system
equipment
logging
personnel
Location: Penobscot Experimental Forest; Maine
Description: Frank Roy preparing to skid logs with his horse in MU14, in May 1968
Date: May-68

Personnel inventorying seedlings after a prescribed burn in MU33 in 1965
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
personnel
plot
site preparation
Location: Penobscot Experimental Forest; Maine
Description: Personnel inventorying seedlings after a prescribed burn in MU33 in 1965
Date: 1965

Personnel burning slash as part of a biomass harvesting study in MU33 in the 1960s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
strip clearcut
personnel
site preparation
Location: Penobscot Experimental Forest; Maine
Description: Personnel burning slash as part of a biomass harvesting study in MU33 in the 1960s
Date: 1960s

Orman Carrol presentation at strip clearcut in MU33 in the 1960s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
strip clearcut
personnel
Location: Penobscot Experimental Forest; Maine
Description: Orman Carrol presentation at strip clearcut in MU33 in the 1960s
Date: 1960s

Personnel performing prescriptive burning of slash piles in strip clearcuts in MU33 in the 1960s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
site preparation
strip clearcut
personnel
Location: Penobscot Experimental Forest; Maine
Description: Personnel performing prescriptive burning of slash piles in strip clearcuts in MU33 in the 1960s
Date: 1960s

PEF tour given by USFS personnel in MU33 in the 1960s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
personnel
strip clearcut
road
vehicle
Location: Penobscot Experimental Forest; Maine
Description: PEF tour given by USFS personnel in MU33 in the 1960s
Date: 1960s

Red spruce regeneration under eastern hemlock overstory on December 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
regeneration
Location: Penobscot Experimental Forest; Maine
Description: Red spruce regeneration under eastern hemlock overstory on December 3 1958
Date: 12/3/1958

Balsam woolly aphid (adelgid) stem attack classified as heavy, on June 3 1958
more info/bigger image
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

Balsam woolly aphid (adelgid) stem attack, on June 3 1958
more info/bigger image
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

Balsam woolly aphid (adelgid) stem attack, on June 3 1958
more info/bigger image
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

Dense second-growth balsam fir (image used in silvics paper), in June 1958
more info/bigger image
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

Arthur Hart in a second-growth balsam fir stand, balsam fir regeneration by building, in June 1958
more info/bigger image
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

Hybrid white spruce planting with vehicle in the background, on April 25, 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: EP2
Hybrid Spruce Provenance Study
planting
personnel
vehicle
Organisms: white spruce
Location: Penobscot Experimental Forest; Maine
Description: Hybrid white spruce planting with vehicle in the background, on April 25, 1958
Date: 4/25/1958

Person walking down the main road (Harper Drive) at the Penobscot Experimental Forest in March 1958
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: road
personnel
Location: Penobscot Experimental Forest; Maine
Description: Person walking down the main road (Harper Drive) at the Penobscot Experimental Forest in March 1958
Date: Mar-58

Harper Drive (Government Road) in February 1958
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
road
Location: Penobscot Experimental Forest; Maine
Description: Harper Drive (Government Road) in February 1958
Date: Feb-58

Balsam fir regeneration in opening east of swamp on Harper Drive in April 1957
more info/bigger image
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

Harold Tuttle bucking paper birch bolts in MU31 in March 1957
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU31
Compartment Management Study
selection system
personnel
logging
Organisms: paper birch
Location: Penobscot Experimental Forest; Maine
Description: Harold Tuttle bucking paper birch bolts in MU31 in March 1957
Date: Mar-57

Observer making fire weather reading, on September 29 1956
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
infrastructure
road
Location: Penobscot Experimental Forest; Maine
Description: Observer making fire weather reading, on September 29 1956
Date: 9/29/1956

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

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
more info/bigger image
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

Spruce regeneration 3-5 feet tall, photo point #6 in MU14 on July 5 1956
more info/bigger image
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

14-inch dbh paper birch in MU14 on July 5 1956
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU14
Compartment Management Study
selection system
personnel
photo point
Organisms: paper birch
Location: Penobscot Experimental Forest; Maine
Description: 14-inch dbh paper birch in MU14 on July 5 1956
Date: 7/5/1956

Northern white-cedar and hardwood marked for removal, in MU14 on July 5 1956
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU14
Compartment Management Study
selection system
marking
personnel
photo point
Organisms: northern white-cedar
Location: Penobscot Experimental Forest; Maine
Description: Northern white-cedar and hardwood marked for removal, in MU14 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