| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. Tree in foreground was cut in 1964. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 332 on Porcupine River site index 54. Cubic foot vol. per acre in trees 5 inches and larger = 2140. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest injuries and protection forest fires |
| Location: | Alaska; Fairbanks |
| Description: | Wildfire, a serious problem in many areas of the interior. This pricture was taken south of Fairbanks. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Butt scar in western hemlock, North Douglas Highway. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Black knots, western hemlock. Switzer Creek reservoir, Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Broken top in hemlock. Fish Creek Road, Douglas Island. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Conks on a dead hemlock near Switzer Village, Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Conks on a dead hemlock near Switzer Village, Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Conks on hemlock near Switzer Creek, Juneau. Tree is dead. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Dead top in hemlock Fish Creek Road, Douglas Is. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Dead top in western hemlock, Switzer Village, near Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska |
| Description: | Decay in western hemlock. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Fomes pini in western hemlock, Fish Creek Road, Douglas Is. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Fomes pini in western hemlock, Fish Creek Road, Douglas Is. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Fomes pini in western hemlock, Fish Creek Road, Douglas Is. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Fomes pini in western hemlock, Fish Creek Road, Douglas Is. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Fomes pinicola in western hemlock, Fish Creek Road, Douglas Is. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
"grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Fomes pinicola on western hemlock, Fish Creek road, Douglas Is. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Forked hemlock. Also frost crack. New Switzer Creek reservoir. Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Forked top in the merchantable bole. On east side of reservoir, Switzer Village near Juneau. |
| Date: | 9/1975 |