| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU3 Compartment Management Study selection system damage marking |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Pre-cut stand with patch of trees blown down in December 1950, balsam fir marked, in MU3, about 1950 |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Uprooting |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Uprooting |
| Date: | 1950s |
| 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: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU90 Cutting Practice Level Study damage |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Soil disturbance caused by rubber-tired skidder during selection cutting, in MU90 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU90 Cutting Practice Level Study damage |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Soil disturbance caused by skidder during selection cutting, in MU90 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel damage |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Tom Skratt assessing brash failure in white spruce |
| Date: |
| 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: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
damage wildlife |
| Organisms: | eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Eastern hemlock that had been pruned by porcupines |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Frost crack in spruce |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | damage |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Frost crack in spruce |
| Date: |






























