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USFS Logo Research Data Archive
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Displaying items 1 - 6 of 6
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Red spruce regeneration under eastern hemlock overstory on December 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
regeneration
Location: Penobscot Experimental Forest; Maine
Description: Red spruce regeneration under eastern hemlock overstory on December 3 1958
Date: 12/3/1958

Balsam woolly aphid (adelgid) stem attack classified as heavy, on June 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
damage
Organisms: balsam fir
balsam woolly adelgid
Location: Penobscot Experimental Forest; Maine
Description: Balsam woolly aphid (adelgid) stem attack classified as heavy, on June 3 1958
Date: 6/3/1958

Balsam woolly aphid (adelgid) stem attack, on June 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
damage
Organisms: balsam fir
balsam woolly adelgid
Location: Penobscot Experimental Forest; Maine
Description: Balsam woolly aphid (adelgid) stem attack, on June 3 1958
Date: 6/3/1958

Balsam woolly aphid (adelgid) stem attack, on June 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
damage
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Balsam woolly aphid (adelgid) stem attack, on June 3 1958
Date: 6/3/1958

Dense second-growth balsam fir (image used in silvics paper), in June 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Dense second-growth balsam fir (image used in silvics paper), in June 1958
Date: Jun-58

Harper Drive (Government Road) in February 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
road
Location: Penobscot Experimental Forest; Maine
Description: Harper Drive (Government Road) in February 1958
Date: Feb-58