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 |