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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 47
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"Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 21, in Study 58 on March 29 1982
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
plot
Location: Penobscot Experimental Forest; Maine
Description: "Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 21, in Study 58 on March 29 1982
Date: 3/29/1982

"Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 23, in Study 58 on March 29 1982
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU58
thinning
sign
plot
Location: Penobscot Experimental Forest; Maine
Description: "Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 23, in Study 58 on March 29 1982
Date: 3/29/1982

Regeneration plots starting from east line (BU, BV), in MU33 in June 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
shelterwood system
regeneration
plot
Location: Penobscot Experimental Forest; Maine
Description: Regeneration plots starting from east line (BU, BV), in MU33 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

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

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

Regeneration plots (DI, DJ), looking west from plot center, in MU33 in June 1979
more info/bigger image
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

Seed trap, regeneration plots starting from east side (BU, BV) in strip clearcut in Biomass Harvesting Study, in MU33 in 1979
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: Seed trap, regeneration plots starting from east side (BU, BV) in strip clearcut in Biomass Harvesting Study, in MU33 in 1979
Date: Jun-79

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

View from permanent sample plot 4/3 while second cut of three-stage uniform shelterwood was progressing, in MU29 on July 24 1968
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU29
Compartment Management Study
shelterwood system
logging
plot
Location: Penobscot Experimental Forest; Maine
Description: View from permanent sample plot 4/3 while second cut of three-stage uniform shelterwood was progressing, in MU29 on July 24 1968
Date: 7/24/1968