| 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: |
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: |
EP2 Hybrid Spruce Provenance Study planting personnel |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Personnel with experimentally planted hybrid spruce |
| Date: |





