| 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 |
| 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: | Frost crack in hemlock, Switzer Cr., 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: | Frost crack 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; Douglas Island |
| Description: | Frost crack in spruce. 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 |
| Description: | Frost crack 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: | Frost crack 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: | Frost crack 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: | Frost crack 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: | Frost crack, trunk scar, and mistletoe broom on hemlock. Fish Creek Road 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; Juneau; Douglas Island |
| Description: | Frost crack, trunk scar, and mistletoe 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; Douglas Island |
| Description: | Frost cracks in Sitka spruce. 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: | Old frost crack in western hemlock, Fish Cr. 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: | Trunk and butt scar 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; Douglas Island |
| Description: | Trunk and butt scars and conks 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; Douglas Island |
| Description: | Trunk and butt scars 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: | Trunk scar 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; Switzer Creek |
| Description: | Trunk scar on western hemlock, Switzer Creek, Juneau. |
| 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 defects occurring before conversion |
| Location: | Alaska; Wasilla |
| Description: | Grading standing birch sawtimber near Wasilla Alaska. |
| Date: | 9/13/1962 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
"grading" of wood and wood products detection, recognition and assessment of injuries and defects defects occurring before conversion knots |
| Location: | Alaska |
| Description: | Stereo shot of birch logs (14") on log deck - note grade deductor. |
| Date: | 9/13/1962 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
"grading" of wood and wood products detection, recognition and assessment of injuries and defects defects occurring before conversion |
| Location: | Alaska |
| Description: | Stereo shot of birch logs (9-14") on log deck - note grade defects. |
| Date: | 9/13/1962 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
"grading" of wood and wood products detection, recognition and assessment of injuries and defects defects occurring before conversion shakes, splits and checks |
| Location: | Alaska; Hiline Lake |
| Description: | Cull birch at Hiline Lake. |
| Date: | 1958 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models natural regeneration detection, recognition and assessment of injuries and defects bark pockets, pith flecks, included phl |
| Location: | Alaska; Kupreanof Island; Point White |
| Description: | Temp yield plots. Point White. Note badly fluted stems of western hemlock. Fig. 13, pg 25, Sta. paper No. 9. |
| Date: | 8/1956 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models natural regeneration detection, recognition and assessment of injuries and defects bark pockets, pith flecks, included phl |
| Location: | Alaska; Kupreanof Island; Point White |
| Description: | Plot 1, Area 3, Point White temp yield plots. Note badly fluted stems. |
| Date: | 1956 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models natural regeneration detection, recognition and assessment of injuries and defects bark pockets, pith flecks, included phl |
| Location: | Alaska; Kupreanof Island; Point White |
| Description: | Point White temp yield plots. Badly fluted hemlock. |
| Date: | 1956 |
| 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 defects of stem form |
| Location: | Alaska; Prince of Wales Island |
| Description: | Badly fluted western hemlock. Prince of Wales Island. |
| Date: | 1950 |