| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand even-aged stands |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay. |
| Date: | 1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand even-aged stands |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay. |
| Date: | 1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand even-aged stands |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay. |
| Date: | 1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand even-aged stands |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay. |
| Date: | 1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand even-aged stands |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay. |
| Date: | 1974 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration species trials (including forest gardens, trials of exotics etc) |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | A Douglas-fir at Virgin Bay. The competing spruce and hemlock were girdled on the day this picture was taken. |
| Date: | 6/1966 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration species trials (including forest gardens, trials of exotics etc) |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | A Douglas-fir at Virgin Bay. The competing spruce and hemlock were girdled on the day this picture was taken. |
| Date: | 6/1966 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration species trials (including forest gardens, trials of exotics etc) |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | A Douglas-fir at Virgin Bay. The competing spruce and hemlock were girdled in 1966. |
| Date: | 5/1966 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration species trials (including forest gardens, trials of exotics etc) |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | A Douglas-fir at Virgin Bay. The competing spruce and hemlock were girdled in 1966. |
| Date: | 5/1966 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration species trials (including forest gardens, trials of exotics etc) |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Douglas-fir at Virgin Bay. The competing spruce and hemlock were girdled in 1966. |
| Date: | 5/1966 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands general matters (including sampling methods in increment determination) |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Plot #334, Virgin Bay. |
| Date: | 1964 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand natural stands obtained after cutting "second-growth" stands |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Plot 1, Virgin Bay. |
| Date: | 1964 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands surveying and mapping |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay P.P. # 332, est.7-26-63. Lower Plot. Photo point: 1. |
| Date: | 7/26/1963 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands surveying and mapping |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay P.P. # 333, established 7-26-63. Mid Plot. |
| Date: | 7/26/1963 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands surveying and mapping |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Virgin Bay P.P. # 334, established 7-26-63. Upper Plot. |
| Date: | 7/26/1963 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands natural regeneration |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Reproduction Plot #1 established by R.F. Taylor in 1929. Virgin Bay. |
| Date: | 7/26/1963 |
![Probably Traitors Cove. [Date estimated, probably 1961-62.]](/rds/imagedb/images/_thm/31307.jpg "Probably Traitors Cove. [Date estimated, probably 1961-62.]")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management studies of infiltration, run-off and water erosion: effects of meteorological factors:\ 25 effects of vegetation |
| Location: | Alaska; Revillagigedo Island; Traitors Cove |
| Description: | Probably Traitors Cove. [Date estimated, probably 1961-62.] |
| Date: | 1962 |
![Probably Traitors Cove. [Date estimated, probably 1961-62.]](/rds/imagedb/images/_thm/31308.jpg "Probably Traitors Cove. [Date estimated, probably 1961-62.]")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management studies of infiltration, run-off and water erosion: effects of meteorological factors:\ 25 effects of vegetation |
| Location: | Alaska; Revillagigedo Island; Traitors Cove |
| Description: | Probably Traitors Cove. [Date estimated, probably 1961-62.] |
| Date: | 1962 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
work science (work studies) harvesting of wood logging and transport forest engineering descriptions of individual logging operations |
| Location: | Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay |
| Description: | Looking into Virgin Bay from Traitors Cove. Note limits of 1925 cutting. |
| Date: | 7/11/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management studies of infiltration, run-off and water erosion:effects of forestry practices (polluted water) |
| Location: | Alaska; Revillagigedo Island; Traitors Cove |
| Description: | Note active sluffing of dissected slope at right-center occurring as a result of soft shale bedrock overlain by granite cliffs (discernable at top of photo). |
| Date: | 7/11/1957 |