| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | infrastructure |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | U.S. Forest Service building on the Penobscot Experimental Forest after renovations were complete |
| 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: |
personnel vehicle |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A tour group visiting the Penobscot Experimental Forest posing in front of a bus with U.S. Forest Service personnel at the Administrative site, Robert M. Frank second from right, 1970s or 1980s |
| Date: | 1970s or 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
infrastructure personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A forester outside the old U.S. Forest Service building at the Penobscot Experimental Forest Administrative site, 1970s or 1980s |
| Date: | 1970s or 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
vehicle road equipment |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | U.S. Forest Service vehicle on road, chainsaw, 1970s or 1980s |
| Date: | 1970s or 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
vehicle road personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | University of Maine students from Ralph Griffin's class, PEF tour with U.S. Forest Service staff, 1970s or 1980s |
| Date: | 1970s or 1980s |
| 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 |