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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 27
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Completed spacing favoring spruce, uniform shelterwood stand, 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
release
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Completed spacing favoring spruce, uniform shelterwood stand, in MU23 on March 29 1982
Date: 3/29/1982

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

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

Management unit sign, unspaced trees behind and trees spaced 2-by-3-meters across the road on the right, 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
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Management unit sign, unspaced trees behind and trees spaced 2-by-3-meters across the road on the right, in MU23 on March 29 1982
Date: 3/29/1982

"Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings 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

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

Spruce regeneration in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Spruce regeneration in Study 58
Date:

Spruce regeneration in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Spruce regeneration in Study 58
Date: