| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP1 White Pine Provenance Study planting regeneration |
| Organisms: | eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Young eastern white pine provenance test, in EP1 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP1 White Pine Provenance Study planting regeneration sign |
| Organisms: | eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Eastern white pine provenance test, sign with information, in EP1 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system sign |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Sign for MU23 showing years of harvest entries, photo taken in 1980s |
| Date: | 1980s |
| 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 regeneration sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings 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 personnel vehicle sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | People unloading a vehicle in a spruce stand 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: |
personnel equipment road |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Fran Lawlor with the snow machine in the 1980s |
| Date: | 1980s |