| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system regeneration |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system equipment regeneration |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration three years after final overstory removal in uniform shelterwood, snow machine, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system personnel regeneration |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A person standing with regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system personnel regeneration equipment |
| Organisms: |
spruce balsam fir eastern white pine red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975 |
| Date: | 1975 |
| Collection: | Paul Smith Experimental Forest Historical Photo Archive |
| Keywords: |
pre-harvest regeneration |
| Organisms: |
beech red maple |
| Location: | Paul Smith Experimental Forest; Compartment 47 |
| Description: | Beech and red maple reproduction in northern hardwood stand. Taken facing S50E from a point 0.61 chains S33W if stake 85-18. |
| Date: | 4/4/1957 |
| 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: |
personnel regeneration |
| Organisms: |
gray birch red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Softwood regeneration overtopped by gray birch and red maple, before weeding, along road to boat landing on August 2 1954 |
| Date: | 8/2/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
regeneration release |
| Organisms: |
gray birch red maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Overtopping gray birch and red maple cut to release softwood reproduction, along road to boat landing on August 2 1954 |
| Date: | 8/2/1954 |
| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut personnel road regeneration |
| Organisms: |
red maple eastern white pine aspen |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Robert M. Frank standing on PEF road next to strip clearcut, hardwood regeneration present, in MU33 |
| Date: |















