| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand after density reduction to 55 square feet of basal area in shelterwood cut (CU, CV), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), in MU 33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system regeneration plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system personnel plot regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), Dan Keddell conducting inventory, in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system plot regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 10 feet from the road in a strip clearcut in the Biomass Harvesting Study (BI, BJ), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 10 feet from the road (looking west) in a strip clearcut in the Biomass Harvesting Study (BI, BJ), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system regeneration plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), in MU33 in June 1979 |
| Date: | Jun-79 |
| 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: |
MU33 shelterwood system personnel |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Fran Laurler reducing stand density to 55 square feet of basal area in shelterwood cut (DI, DJ), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Looking south down a transect (CL, CM), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Looking south from road (CO, CP), girdled trees to be cut, in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand before density reduction to 55 square feet of basal area in shelterwood cut (CU, CV), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut shelterwood system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 10 feet from the road (looking south down transect line) (BI, BJ), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Seed trap, regeneration plots starting from east side (BU, BV) in strip clearcut in Biomass Harvesting Study, in MU33 in 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut shelterwood system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Strip clearcut in Biomass Harvesting Study, logging slash from shelterwood cut in residual strips, in MU33 in 1979 |
| Date: | Jun-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 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 |




















