| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU13 Compartment Management Study diameter-limit cut marking release plot photo point |
| Organisms: |
red maple eastern hemlock red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 11-inch dbh red maple and 23-inch dbh eastern hemlock marked to release 11-inch dbh red spruce, photo point #5 (permanent sample plot 6/1) in MU13 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU15 Compartment Management Study diameter-limit cut personnel regeneration photo point |
| Organisms: |
balsam fir eastern hemlock red maple American beech |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Opening seeding in to balsam fir, eastern hemlock, red maple, and American beech, photo point #4 (between old woods road and MU14 boundary) in MU15 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU24 Compartment Management Study diameter-limit cut marking plot release regeneration photo point |
| Organisms: |
eastern hemlock red maple American beech balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Eastern hemlock - hardwood stand before cutting, 9-inch dbh red maple and 12-inch dbh American beech marked for cutting, 14-inch dbh hemlock kept as future sawlog tree, balsam fir and beech regeneration, photo point #2 (on MU boundary behind permanent sample plot 1/1) in MU24 on May 24 1955 |
| Date: | 5/24/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU17 Compartment Management Study selection system marking regeneration plot photo point |
| Organisms: |
northern white-cedar red maple paper birch balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Northern white-cedar stand on low ground with balsam fir regeneration, a red maple and a paper birch are marked for removal in a selection cutting, photo point #1 (south 60 degrees west, 1.8 chains from center of permanent sample plot 1/3) in MU17 on May 6 1955 |
| Date: | 5/6/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU8 Compartment Management Study commercial clearcut regeneration photo point |
| Organisms: | red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | After cutting, area cleaned for "twin yards" during the 1953 commercial clearcut, a few red maple sprouts, photo point #4 (south 28 degrees east) in MU8 on May 2 1955 |
| Date: | 5/2/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU8 Compartment Management Study commercial clearcut logging regeneration photo point |
| Organisms: |
red maple eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | After cutting, looking across a yard cleared during the 1953 commercial clearcut, residual stand in background is eastern hemlock and hardwoods up to 8 inches dbh, red maple sprouts coming up in the cleared area, photo point #5 (south 55 degrees east) in MU8 on May 2 1955 |
| Date: | 5/2/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system personnel photo point |
| Organisms: |
balsam fir American beech red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Before cutting in mixed stand. Balsam fir 7 inches, American beech 9 inches, red maple 10 inches, in MU23 on March 31 1955 |
| Date: | 3/31/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system photo point |
| Organisms: |
balsam fir paper birch red maple beech |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Pre cut, balsam fir, paper birch, red maple, beech, photo point #2 in MU23 on March 21 1955 |
| Date: | 3/21/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU10 Compartment Management Study selection system marking plot photo point |
| Organisms: |
eastern hemlock red maple red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Post-cut, 15-inch dbh eastern hemlock and 8-9 inch dbh red maple marked, leaving red spruce 4-11 inches dbh, photo point #1 (in permanent sample plot 2/4) in MU10 on August 2, 1954 |
| Date: | 8/2/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU9 Compartment Management Study selection system photo point |
| Organisms: |
red maple red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Softwood stand, stumps of 13-inch red maple and 12-inch red spruce in center foreground, photo point #1 in MU9 on May 17 1954 |
| Date: | 5/17/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU6 Compartment Management Study selection system photo point |
| Organisms: | red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Before cutting, poorly formed red maple treated for chemical debarking, photo point #1 in MU6 in June 1953 |
| Date: | Jun-53 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU7 Farm Woodlot Study selection system photo point |
| Organisms: |
eastern hemlock red spruce red maple balsam fir paper birch northern white-cedar |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Mixed stand of eastern hemlock, red spruce, red maple, balsam fir, paper birch, and northern white-cedar, photo point #2 (looking north 55 degrees east across road) in MU7 on August 14 1952 |
| Date: | 8/14/1952 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system regeneration photo point |
| Organisms: |
white spruce balsam fir red maple red oak paper birch |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | White spruce and balsam fir regeneration under red maple, red oak, and paper birch. Older fir have died out, photo point #8 (north 12 degrees east) in MU2 on August 22 1951 |
| Date: | 8/22/1951 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system regeneration photo point |
| Organisms: |
red maple balsam fir white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Red maple sprout clumps before thinning, on moist site along intermittent stream, balsam fir and white spruce regeneration, photo point #3 in MU2 on August 16 1951 |
| Date: | 8/16/1951 |














