| 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 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 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 Biomass Harvesting Study personnel plot site preparation |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Personnel inventorying seedlings after a prescribed burn in MU33 in 1965 |
| Date: | 1965 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut personnel site preparation |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Personnel burning slash as part of a biomass harvesting study in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Orman Carrol presentation at strip clearcut in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study site preparation strip clearcut personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Personnel performing prescriptive burning of slash piles in strip clearcuts in MU33 in the 1960s |
| Date: | 1960s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study personnel strip clearcut road vehicle |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | PEF tour given by USFS personnel in MU33 in the 1960s |
| Date: | 1960s |
| 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: |










