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USFS Logo Research Data Archive
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Probably Traitors Cove. [Date estimated, probably 1961-62.]
more info/bigger image
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.]
more info/bigger image
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

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).
more info/bigger image
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

Closeup of actively eroding surface. Mat of soil holding stumps & roots has given way on steep unstable slope. Note debris choked water course. No evidence that this material was washing down slope.
more info/bigger image
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: Closeup of actively eroding surface. Mat of soil holding stumps & roots has given way on steep unstable slope. Note debris choked water course. No evidence that this material was washing down slope.
Date: 7/11/1957