| 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 |










