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USFS Logo Research Data Archive
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Displaying items 1 - 20 of 104
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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
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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
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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
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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
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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