| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Sunlight on the edge of a strip clearcut in the Biomass Harvesting Study, metal seed trap on bottom left of image, in MU33 on June 23 1970 |
| Date: | 6/23/1970 |
| 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: |
EP1 White Pine Provenance Study planting regeneration |
| Organisms: | eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Eastern white pine provenance test, in EP1 in May 1968 |
| Date: | May-68 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Edge of a regenerating strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study regeneration strip clearcut |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Early regeneration in a strip clearcut in the biomass harvesting study in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration road plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A metal seed trap near the road in a strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study regeneration site preparation strip clearcut |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A small spruce seedling regenerating underneath burned slash in a strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Hardwood regeneration in a strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration site preparation plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Post-burn image of a strip clearcut with a metal seed trap in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A metal seed trap In a strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Red spruce regeneration under eastern hemlock overstory on December 3 1958 |
| Date: | 12/3/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Arthur Hart in a second-growth balsam fir stand, balsam fir regeneration by building, in June 1958 |
| Date: | Jun-58 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP2 Hybrid Spruce Provenance Study planting regeneration |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Planted hybrid white spruce seedling with water setting around the tree in a low area, on May 14, 1958 |
| Date: | 5/14/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Balsam fir regeneration in opening east of swamp on Harper Drive in April 1957 |
| Date: | Apr-57 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU13 Compartment Management Study diameter-limit cut regeneration |
| Organisms: |
balsam fir eastern hemlock eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Opening made 12 years ago, with balsam fir, eastern hemlock, and white pine seedlings up to 1 foot tall, in MU13 on July 5 1956 |
| Date: | 7/5/1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU14 Compartment Management Study selection system regeneration personnel photo point |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce regeneration 3-5 feet tall, photo point #6 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 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: |
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: |
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 |




















