| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
measurements of the stem dimensions and volume of trees, stands, forests and timber large-scale (regional) "forest surveys" (general descriptions and methods |
| Location: | Alaska; Tanana |
| Description: | J. Hegg, Ed Gunter, Steve Davis, & Bruce fueling the chopper. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
measurements of the stem dimensions and volume of trees, stands, forests and timber recording of data organization of measuring parties and their work methods of recording data (tallies etc) |
| Location: | Alaska; Tanana |
| Description: | M.Mehl recording plot information in a black spruce stand. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology reproductive behaviour life form, habit post-seedling development and form |
| Location: | Alaska; Tanana; Tanacross |
| Description: | Old growth or over-mature white spruce near Tanacross. M. Mehl. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
measurements of the stem dimensions and volume of trees, stands, forests and timber recording of data organization of measuring parties and their work |
| Location: | Alaska; Tanana |
| Description: | Planning the attack on a plot. Guy Wold, Enzo Becia, M. Mehl. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
measurements of the stem dimensions and volume of trees, stands, forests and timber large-scale (regional) "forest surveys" (general descriptions and methods |
| Location: | Alaska; Tanana; Nabesna River |
| Description: | Chopper landing along bank of Nabesna River. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
surveying and mapping aerial survey aerial photography and photogrammetry satellites interpretation of photographs general |
| Location: | Alaska; Tanana |
| Description: | Guy Wold interpreting aerial photos. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
measurements of the stem dimensions and volume of trees, stands, forests and timber principles of volume determination |
| Location: | Alaska; Tanana |
| Description: | K. Hegg interpreting aerial photos. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Tanana; Tetlin Lake |
| Description: | Subalpine white spruce with alder & blueberry undergrowth. South facing slope. Tetlin Lake in right backgrd. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
damage by animals wild mammals |
| Location: | Alaska; Tanana |
| Description: | Vegetation coming in on a once flooded area. Notice the roundness of the alder bushes due to animal browsing. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Tanana; Tanacross |
| Description: | View of the Tanana Valley by Tok from the Tanacross oil storage tank farm. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Tanana; Tanacross |
| Description: | View to the East of the Tanana Valley by Tok from the Tanacross oil storage tank farm. |
| Date: | 7/1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
measurements of the stem dimensions and volume of trees, stands, forests and timber large-scale (regional) "forest surveys" (general descriptions and methods |
| Location: | Alaska; Tanana; Yukon River |
| Description: | Mattson & Farrs camp on the Yukon below Tanana. |
| Date: | 1962 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Tanana; Yukon River |
| Description: | Yukon River 25 miles west of Tanana. Willow with B.P. in background. Photo point: IAS 7-63-127. |
| Date: | 7/28/1960 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest fires fire losses, fire damage to timber stands from the economic point of view |
| Location: | Alaska; Tanana |
| Description: | Burn on IL 23. Photo 3-7-86, south of Tanana. |
| Date: |