| 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 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 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 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: |
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: |
MU33 Biomass Harvesting Study strip clearcut regeneration plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Edge of a strip clearcut with a metal seed trap visible in MU33 |
| Date: |
| 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: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut personnel regeneration |
| Organisms: | aspen |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Robert M. Frank measuring aspen regeneration in a strip clearcut in MU33 |
| Date: |



















