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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 10
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Gouty balsam fir top on left, normal balsam fir on right, buds just breaking, on June 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Gouty balsam fir top on left, normal balsam fir on right, buds just breaking, on June 3 1958
Date: 6/3/1958

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, close up of "wool," on June 3 1958
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: balsam fir
balsam woolly adelgid
Location:
Description: Balsam woolly aphid (adelgid) stem attack, close up of "wool," 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

Signs destroyed,.
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: damage
Location: Coconino National Forest; AZ; USA
Description: Signs destroyed,.
Date: 01/03/1958

Close-up showing details of damage.
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: signage
damage
Location: Fort Valley Exp. Forest; AZ; USA
Description: Close-up showing details of damage.
Date: 01/03/1958

Close-up showing details of damage.
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: signage
damage
Location: Coconino National Forest; AZ; USA
Description: Close-up showing details of damage.
Date: 01/03/1958

USFS sign damage
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: signage
damage
Location: Coconino National Forest; AZ; USA
Description: USFS sign damage
Date: 01/03/1958

sign damage
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: signage
damage
Location: Coconino National Forest; AZ; USA
Description: sign damage
Date: 01/03/1958