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| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU21 Compartment Management Study shelterwood system personnel plot |
| Organisms: | eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Walter Kaulfuss measuring diameter of 16-inch dbh eastern white pine (opening in left background is in MU7A), permanent sample plot 2/1 in MU21 on July 28 1954 |
| Date: | 7/28/1954 |
