| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system regeneration personnel plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots (DI, DJ), looking west from plot center, in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU14 Compartment Management Study selection system personnel plot photo point |
| Organisms: |
eastern hemlock spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 13-inch dbh eastern hemlock chemically debarked, 9-inch dbh spruce left, photo point #2 (permanent sample plot 2/1) in MU14 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU14 Compartment Management Study selection system regeneration plot photo point |
| Organisms: |
spruce balsam fir eastern hemlock raspberry bracken fern |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Large opening made about 12 years ago, bracken fern and raspberry with few spruce, balsam fir, or eastern hemlock seedlings, photo point #1 (near permanent sample plot 3/1) in MU14 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU15 Compartment Management Study diameter-limit cut personnel plot photo point |
| Organisms: |
spruce eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Larger trees chemically debarked, 9-10 inch dbh spruce and eastern hemlock left, photo point #1 (permanent sample plot 3/5) in MU15 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU4 Compartment Management Study diameter-limit cut personnel plot photo point |
| Organisms: |
balsam fir spruce eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam fir saplings in foreground, 10-inch dbh spruce and eastern hemlock in background, photo point #2 (permanent sample plot 2/2, west of gravel road, south of woods road looking north) in MU4 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system regeneration plot photo point |
| Organisms: |
spruce balsam fir raspberry |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Patch of raspberry with a few spruce and balsam fir seedlings, photo point #6 (permanent sample plot 2/1) in MU23 on May 24 1955 |
| Date: | 5/24/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU17 Compartment Management Study selection system regeneration plot photo point |
| Organisms: |
balsam fir eastern hemlock spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Old clearing with balsam fir and eastern hemlock regeneration, one cull hemlock treated and two hemlock to be removed in a selection cutting, four pole-size spruce trees, photo point #5 (along the road 2.3 chains beyond permanent sample plot center post) in MU17 on May 6 1955 |
| Date: | 5/6/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU17 Compartment Management Study selection system marking plot photo point |
| Organisms: |
eastern hemlock spruce maple balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce - eastern hemlock stand, some hemlock to be cut, cull maple, balsam fir thicket behind two hemlock marked for removal in a selection cutting, photo point #4 (near permanent sample plot 2/1) in MU17 on May 6 1955 |
| Date: | 5/6/1955 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "8x8' Spacing, Fertilized" sign in front of spruce saplings in plot 3 in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Row Spacing and Release, Unfertilized" sign and spruce regeneration in plot 51 in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning sign plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "8x8 Spacing, Fertilized" sign in front of spruce saplings in plot 7 in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning sign plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Row spacing Only, Unfertilized" sign in front of spruce in plot 20 Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Two personnel conducting a field assessment |
| Date: |