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USFS Logo Research Data Archive
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Displaying items 1 - 6 of 6
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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

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

Spruce with damage from spruce budworm in the 1970s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Spruce with damage from spruce budworm in the 1970s
Date: 1970s