| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology ecosystems vegetation types ecotypes |
| Location: | Alaska; Prince of Wales Island; Maybeso Valley |
| Description: | Plot No. 1, near mouth of Maybeso Creek. Mature spruce & hemlock type. Good site. |
| Date: | 8/15/1951 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Matanuska River |
| Description: | A balsam poplar-white spruce stand. The oldest poplars are 200 years of age and 30 inches d.b.h. and 75 feet tall. The oldest white spruce trees are over 105 years of age, 13 inches d.b.h. and 70 feet tall. On Matanuska River, near Palmer, 1951. Used as... |
| Date: | 1951 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Copper River |
| Description: | View of the Copper River Valley, showing a mosaic of forest types, white spruce, quaking aspen, and willow. This pattern reflects the complex fire history of the area. Used as illustration, Fig. 2, Pg. 5 USDA Tech. Bull. 1133 March, 1956. |
| Date: | 1951 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Glenn Highway; Nelchina River |
| Description: | Climax white spruce forest along the Nelchina River, marked by eroding bluffs. Along Glenn Highway, at mile 143, looking eastward. 1951. Used as illustration, Fig. 18, Pg. 57 USDA Tech. Bull. 1133 March, 1956. |
| Date: | 1951 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types, ecotypes |
| Location: | Alaska; Copper River |
| Description: | White spruce, paper birch, and quaking aspen in the foreground; pure white spruce stands in the background. Well-drained alluvium along the larger rivers represents excellent forest land. Looking westerly across the Copper River Valley, about two miles ups... |
| Date: | 1951 |





