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USFS Logo Research Data Archive
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Displaying items 1 - 20 of 90
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Equipment used for cutting conifers along the road in the Logging Study, in MU2 in 1984
more info/bigger image
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

Stand before second commercial clearcut, in MU8 in 1983
more info/bigger image
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

Stand before second commercial clearcut, in MU8 in 1983
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU8
Compartment Management Study
commercial clearcut
Organisms: balsam Fir
Location: Penobscot Experimental Forest; Maine
Description: Stand before second commercial clearcut, in MU8 in 1983
Date: 1983

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
more info/bigger image
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

Stand after density reduction to 55 square feet of basal area in shelterwood cut (CU, CV), in MU33 in June 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
shelterwood system
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Stand after density reduction to 55 square feet of basal area in shelterwood cut (CU, CV), in MU33 in June 1979
Date: Jun-79

Regeneration plots starting from east line (BU, BV), in MU 33 in June 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
shelterwood system
regeneration
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Regeneration plots starting from east line (BU, BV), in MU 33 in June 1979
Date: Jun-79

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

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

Looking south down a transect (CL, CM), in MU33 in June 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
shelterwood system
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Looking south down a transect (CL, CM), in MU33 in June 1979
Date: Jun-79

Ice storm damage to spruce and balsam fir, in Study 58 in January 1979
more info/bigger image
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

Ice storm damage to spruce and balsam fir, in Study 58 in January 1979
more info/bigger image
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

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
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

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

Regeneration three years after final overstory removal in uniform shelterwood, 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
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

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

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
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

Balsam fir thicket on December 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: release
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Balsam fir thicket on December 3 1958
Date: 12/3/1958

Balsam fir thicket on December 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: release
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Balsam fir thicket on December 3 1958
Date: 12/3/1958

Gouty balsam fir top on left, normal balsam fir on right, buds just breaking, on June 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Gouty balsam fir top on left, normal balsam fir on right, buds just breaking, on June 3 1958
Date: 6/3/1958