| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP2 Hybrid Spruce Provenance Study planting vehicle |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Hybrid white spruce saplings in experimental planting with a vehicle in the background, in May 1968 |
| Date: | May-68 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP2 Hybrid Spruce Provenance Study planting |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | White spruce saplings, experimentally planted hybrid spruce, in May 1968 |
| Date: | May-68 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | pruning |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | New branches growing from dormant buds on white spruce on July 23, 1963 |
| Date: | 7/23/1963 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | pruning |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Pruned white spruce, in February 1963 |
| Date: | Feb-63 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP2 Hybrid Spruce Provenance Study planting regeneration |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Planted hybrid white spruce seedling with water setting around the tree in a low area, on May 14, 1958 |
| Date: | 5/14/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP2 Hybrid Spruce Provenance Study planting personnel vehicle |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Hybrid white spruce planting with vehicle in the background, on April 25, 1958 |
| Date: | 4/25/1958 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: | release |
| Organisms: |
gray birch white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Weeding with sodium arsenite tabs. Tab being inserted in grey birch to release white spruce sapling, on August 2 1954 |
| Date: | 8/2/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU9 Compartment Management Study selection system timber stand improvement plot photo point |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | White spruce stand after first improvement cutting, photo point #5 (2 chains northeast of permanent sample plot 4/1) in MU9 on May 18 1954 |
| Date: | 5/18/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU9 Compartment Management Study selection system regeneration photo point |
| Organisms: |
balsam fir white spruce eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Seedlings of balsam fir, eastern white pine, and white spruce in an opening made about 12 years ago, photo point #4 in MU9 on May 18 1954 |
| Date: | 5/18/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU6 Compartment Management Study selection system marking photo point |
| Organisms: |
balsam fir white spruce eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Before cutting, larger balsam fir marked for cutting, eastern white pine and white spruce left, photo point #4 in MU6 on June 1953 |
| Date: | Jun-53 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system regeneration photo point |
| Organisms: |
white spruce balsam fir red maple red oak paper birch |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | White spruce and balsam fir regeneration under red maple, red oak, and paper birch. Older fir have died out, photo point #8 (north 12 degrees east) in MU2 on August 22 1951 |
| Date: | 8/22/1951 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system regeneration photo point |
| Organisms: |
red maple balsam fir white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Red maple sprout clumps before thinning, on moist site along intermittent stream, balsam fir and white spruce regeneration, photo point #3 in MU2 on August 16 1951 |
| Date: | 8/16/1951 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU1 Cutting Practice Level Study |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 19-inch dbh white spruce in the Cutting Practice Level Study, in MU1 |
| Date: | 1950s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Farm Woodlot Study selection system regeneration |
| Organisms: |
white spruce balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | White spruce 10 inches dbh, balsam fir coming in opening, larger fir are 6 feet tall, in MU2 |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel damage |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Tom Skratt assessing brash failure in white spruce |
| Date: |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
EP2 Hybrid Spruce Provenance Study planting personnel |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Personnel with experimentally planted hybrid spruce |
| Date: |
















