Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

USFS Logo Research Data Archive

*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 10 of 10
10 | 20 | 50 per page
Ice storm damage to spruce and balsam fir, in Study 58 in January 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
damage
Organisms: spruce
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Ice storm damage to spruce and balsam fir, in Study 58 in January 1979
Date: Jan-79

Ice storm damage to spruce and balsam fir, in Study 58  in January 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
damage
Organisms: spruce
balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Ice storm damage to spruce and balsam fir, in Study 58 in January 1979
Date: Jan-79

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

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

Uprooting
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Uprooting
Date: 1950s

Uprooting
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Uprooting
Date: 1950s

Person evaluating blowdown in MU23
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
damage
personnel
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Person evaluating blowdown in MU23
Date:

Conifer leader damage, ice and snow
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: regeneration
damage
Organisms: pine
spruce
Location: Penobscot Experimental Forest; Maine
Description: Conifer leader damage, ice and snow
Date:

Frost crack in spruce
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Frost crack in spruce
Date:

Frost crack in spruce
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Frost crack in spruce
Date: