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USFS Logo Research Data Archive
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Displaying items 101 - 105 of 105
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Shelterwood silviculture, in MU21
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU21
Compartment Management Study
shelterwood system
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Shelterwood silviculture, in MU21
Date:

6-10 foot tall balsam fir in a 15 year-old opening in MU23
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
regeneration
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: 6-10 foot tall balsam fir in a 15 year-old opening in MU23
Date:

Black spruce and balsam fir, in MU5
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU5
Compartment Management Study
selection system
Organisms: black spruce
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Black spruce and balsam fir, in MU5
Date:

Spruce, eastern white pine, and balsam fir regeneration with a mixedwood overstory in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
Organisms: spruce
eastern white pine
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Spruce, eastern white pine, and balsam fir regeneration with a mixedwood overstory in Study 58
Date:

Balsam fir and spruce regeneration
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: regeneration
Organisms: spruce
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Balsam fir and spruce regeneration
Date: