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| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
road vehicle |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Automobile, swamp section of road, in 1956 |
| Date: | 1956 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
sign vehicle personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Entrance sign in 1956 |
| Date: | 1956 |
