| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regenerating stand 14 years after second cut in two-stage overstory removal in shelterwood stand, in Study 58 on March 29 1982 |
| Date: | 3/29/1982 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning sign plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 21, in Study 58 on March 29 1982 |
| Date: | 3/29/1982 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Mike Shewokis with the 10-year spacing results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | People near the 10-year spacing study results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | A field tour visiting the 10-year spacing study results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning personnel vehicle sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | People unloading a vehicle in a spruce stand in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning study results |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Part of the 10-year spacing study results display model in Study 58 in the 1980s |
| Date: | 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning damage |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Ice storm damage to spruce and balsam fir, in Study 58 in January 1979 |
| Date: | Jan-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning damage |
| Organisms: |
spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Ice storm damage to spruce and balsam fir, in Study 58 in January 1979 |
| Date: | Jan-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning map |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Study 58 layout |
| Date: | 1970s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Row Spacing and Release" plot, in Study 58 on March 28 1958 |
| Date: | 3/28/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce regeneration in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce regeneration in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Spruce regeneration in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "8x8' Spacing, Fertilized" sign in front of spruce saplings in plot 3 in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign plot |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Row Spacing and Release, Unfertilized" sign and spruce regeneration in plot 51 in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Early Release and Fertilization Study in Spruce-Fir" sign and spruce regeneration in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "Row Spacing and Release, Unfertilized" sign and spruce saplings in Study 58 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
Study 58 thinning regeneration sign |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | "8x8' spacing, Fertilized" sign in front of spruce regeneration in Study 58 |
| Date: |




















