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
You are here: Home > Search Results


*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 20 of 31
10 | 20 | 50 per page
Soil damage caused by skidder during selection cutting, in MU90 in October 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU90
Cutting Practice Level Study
damage
Location: Penobscot Experimental Forest; Maine
Description: Soil damage caused by skidder during selection cutting, in MU90 in October 1979
Date: Oct-79

Root damage to eastern hemlock caused by skidder during selection cutting, in MU90 in October 1979
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU90
Cutting Practice Level Study
damage
Organisms: eastern hemlock
Location: Penobscot Experimental Forest; Maine
Description: Root damage to eastern hemlock caused by skidder during selection cutting, in MU90 in October 1979
Date: Oct-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

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

Skidder and muddy skid trail, shelterwood harvest, in MU33 on October 31 1978
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
shelterwood system
logging
equipment
damage
Location: Penobscot Experimental Forest; Maine
Description: Skidder and muddy skid trail, shelterwood harvest, in MU33 on October 31 1978
Date: 10/31/1978

Skid trail over a clay base, rutted 2 feet deep during shelterwood harvest operation, in MU33 on October 1 1978
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
personnel
damage
Location: Penobscot Experimental Forest; Maine
Description: Skid trail over a clay base, rutted 2 feet deep during shelterwood harvest operation, in MU33 on October 1 1978
Date: 10/1/1978

Skid trail over a clay base, rutted during shelterwood harvest operation, in MU33 on October 1 1978
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU33
damage
Location: Penobscot Experimental Forest; Maine
Description: Skid trail over a clay base, rutted during shelterwood harvest operation, in MU33 on October 1 1978
Date: Oct-78

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

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

Red maple debarked by hare, in March 1963
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: damage
Organisms: red maple
Location: Penobscot Experimental Forest; Maine
Description: Red maple debarked by hare, in March 1963
Date: Mar-63

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

Eastern hemlock tree showing the work of pileated woodpecker, hole was chiseled out to get an ants that infested the tree, in MU24 on May 24 1955
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU24
Compartment Management Study
damage
wildlife
Organisms: eastern hemlock
pileated woodpecker
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock tree showing the work of pileated woodpecker, hole was chiseled out to get an ants that infested the tree, in MU24 on May 24 1955
Date: 5/24/1955

Eastern hemlock tree pruned by porcupines, in MU6 on October 21 1952
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU6
Compartment Management Study
selection system
damage
wildlife
Organisms: eastern hemlock
porcupine
Location: Penobscot Experimental Forest; Maine
Description: Eastern hemlock tree pruned by porcupines, in MU6 on October 21 1952
Date: 10/21/1952

5-7 inch dbh balsam fir, trees rotted at butts weakened so that they were easily broken off by wind, photo point #6 (looking north 25 degrees east) in MU7 on August 14 1952
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU7
Farm Woodlot Study
selection system
damage
photo point
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: 5-7 inch dbh balsam fir, trees rotted at butts weakened so that they were easily broken off by wind, photo point #6 (looking north 25 degrees east) in MU7 on August 14 1952
Date: 8/14/1952

Two balsam fir marked for cutting due to "fir bark disease," in MU2 on March 28 1951
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU2
Farm Woodlot Study
selection system
damage
marking
Organisms: balsam fir
Location: Penobscot Experimental Forest; Maine
Description: Two balsam fir marked for cutting due to "fir bark disease," in MU2 on March 28 1951
Date: 3/28/1951