| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system marking photo point |
| Organisms: |
balsam fir red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Pre cut balsam fir and red spruce stand. Fir are dying from top. Marked 8-11" fir, leaving 5-7" spruce, in MU23 on March 31 1955 |
| Date: | 3/31/1955 |

