An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU91 Cutting Practice Level Study selection system personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Ralph Griffin and University of Maine students in a single-tree selection stand with a 15-year cutting cycle, in MU91 in May 1973 |
| Date: | May-73 |
