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USFS Logo Research Data Archive
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Displaying items 61 - 80 of 376
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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

Skidder and muddy skid trail, shelterwood harvest, in MU33 on October 31 1978
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
shelterwood system
logging
equipment
damage
Location: Penobscot Experimental Forest; Maine
Description: Skidder and muddy skid trail, shelterwood harvest, in MU33 on October 31 1978
Date: 10/31/1978

Spruce sapling in a selection stand with a 5-year cutting cycle, in MU9 on October 4 1978
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU9
Compartment Management Study
selection system
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Spruce sapling in a selection stand with a 5-year cutting cycle, in MU9 on October 4 1978
Date: 10/4/1978

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

Skid trail over a clay base, rutted during shelterwood harvest operation, in MU33 on October 1 1978
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
damage
Location: Penobscot Experimental Forest; Maine
Description: Skid trail over a clay base, rutted during shelterwood harvest operation, in MU33 on October 1 1978
Date: Oct-78

Logs on trailer, in winter 1977
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: equipment
logging
Location: Penobscot Experimental Forest; Maine
Description: Logs on trailer, in winter 1977
Date: 1977

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

Snow machine on a forest road driving through a pine and spruce stand near in MU23 in 1975
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
equipment
road
Organisms: pine
spruce
Location: Penobscot Experimental Forest; Maine
Description: Snow machine on a forest road driving through a pine and spruce stand near in MU23 in 1975
Date: 1975

Wooden sign (Management Intensity Demonstration Plots established 1950), in the Cutting Practice Level Study in September, 1974
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Cutting Practice Level Study
sign
Location: Penobscot Experimental Forest; Maine
Description: Wooden sign (Management Intensity Demonstration Plots established 1950), in the Cutting Practice Level Study in September, 1974
Date: Sep-74

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

Sunlight on the edge of a strip clearcut in the Biomass Harvesting Study, metal seed trap on bottom left of image, in MU33 on June 23 1970
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
strip clearcut
regeneration
plot
Location: Penobscot Experimental Forest; Maine
Description: Sunlight on the edge of a strip clearcut in the Biomass Harvesting Study, metal seed trap on bottom left of image, in MU33 on June 23 1970
Date: 6/23/1970

Girdled tree in MU33 in the 1970s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
timber stand improvement
shelterwood system
Location: Penobscot Experimental Forest; Maine
Description: Girdled tree in MU33 in the 1970s
Date: 1970s

Felled spruce showing decay in a strip clearcut in MU33 in the 1970s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
Biomass Harvesting Study
equipment
logging
strip clearcut
damage
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Felled spruce showing decay in a strip clearcut in MU33 in the 1970s
Date: 1970s

Study 58 layout
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
map
Location: Penobscot Experimental Forest; Maine
Description: Study 58 layout
Date: 1970s