| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU3 Compartment Management Study selection system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Two years after fourth selection cut, in MU3 on 1983 |
| Date: | 1983 |
| 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: |
MU91 Cutting Practice Level Study selection system marking release |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Marking to remove competition and release spruce in a selection cut, in MU91 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU9 Compartment Management Study selection system |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce sapling in a selection stand with a 5-year cutting cycle, in MU9 on October 4 1978 |
| Date: | 10/4/1978 |
| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU14 Compartment Management Study selection system equipment logging personnel |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Frank Roy preparing to skid logs with his horse in MU14, in May 1968 |
| Date: | May-68 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU6 MU8 MU12 Compartment Management Study aerial photo commercial clearcut selection system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Aerial photograph of MU12 (left foreground), MU8 (center background), and MU6 (beyond) in March 1959 |
| Date: | Mar-59 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU6 MU8 Compartment Management Study selection system commercial clearcut aerial photo |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Aerial photograph of MU8 (foreground) and MU6 (beyond) in March 1959 |
| Date: | Mar-59 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU7B Farm Woodlot Study selection system logging |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Part of harvest from Farm Woodlot Study, in MU7B on December 3 1958 |
| Date: | 12/3/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system logging road |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Wood cut in spring of 1958 stacked along woods road near western boundary, in MU2 in May 1958 |
| Date: | May-58 |