| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
road vehicle infrastructure |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Gate across the road near Blackman Stream, vehicle, 1970s or 1980s |
| Date: | 1970s or 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU90 Cutting Practice Level Study damage |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Soil damage caused by skidder during selection cutting, in MU90 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU90 Cutting Practice Level Study damage |
| Organisms: | eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Root damage to eastern hemlock caused by skidder during selection cutting, in MU90 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU91 Cutting Practice Level Study selection system marking release |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Marking to remove competition and release spruce in a selection cut, in MU91 in October 1979 |
| Date: | Oct-79 |
| 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 |