| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Mike Shewokis with the 10-year spacing results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | People near the 10-year spacing study results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A field tour visiting the 10-year spacing study results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Part of the 10-year spacing study results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU90 MU91 MU92 MU93 Cutting Practice Level Study selection system commercial clearcut diameter-limit cut study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A graph depicting 30-year net production in MUs 90 through 93 after different treatments applied in the Cutting Practice Level Study |
| Date: | 1980 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study site preparation sign strip clearcut study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Results after two growing seasons of strip clearcutting with and without slash removal, in MU33 in 1960s |
| Date: | 1960s |






