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Displaying items 21 - 40 of 44
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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.
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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

General view of cutting looking S.E. from a stump about 20' above the ground near Plot 3 on the June 13, 1923 map.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration obtained from advance growth
Location: Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay
Description: General view of cutting looking S.E. from a stump about 20' above the ground near Plot 3 on the June 13, 1923 map.
Date: 8/1/1953

Plot 3 - Virgin Bay. RAG in photo.
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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: Plot 3 - Virgin Bay. RAG in photo.
Date: 8/1/1953

Virgin Bay cutting illus. used in Station paper No. 2.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration obtained from advance growth
Location: Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay
Description: Virgin Bay cutting illus. used in Station paper No. 2.
Date: 8/1/1953

Virgin Bay cutting showing reprod.
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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: Virgin Bay cutting showing reprod.
Date: 8/1/1953

Virgin Bay plots. Plot sign moved to back side of plot from earlier photos. 5 live trees on plot. Ground cover mostly needles & small twigs.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration obtained from advance growth
Location: Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay
Description: Virgin Bay plots. Plot sign moved to back side of plot from earlier photos. 5 live trees on plot. Ground cover mostly needles & small twigs.
Date: 8/1/1953

20.2" sp 59' tall. Virgin Bay. Dick Godman measuring DBH. Tree located halfway between 1 P & Plot 1. 20 yrs old at DBH. Largest 2nd growth tree on cutting.
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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: 20.2" sp 59' tall. Virgin Bay. Dick Godman measuring DBH. Tree located halfway between 1 P & Plot 1. 20 yrs old at DBH. Largest 2nd growth tree on cutting.
Date: 8/1/1953

Virgin Bay - Plot No. 5. Godman.
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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: Virgin Bay - Plot No. 5. Godman.
Date: 8/1/1953

Virgin Bay cutting view across poorly drained area by skid road, showing excellent growth near Plot 1.
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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: Virgin Bay cutting view across poorly drained area by skid road, showing excellent growth near Plot 1.
Date: 8/1/1953

Virgin Bay Plot No. 1. Estab. by RF Taylor in 1926. Godman measuring 12.4" sp. 69' tall. Age 20 at DBH, outside plot. Only live tree on plot is 1.2" sp. At left 5 dom. Sp nearby average 63' tall ranging in DBH from 10.3 to 20.2 Probably best growth on the...
more info/bigger image
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: Virgin Bay Plot No. 1. Estab. by RF Taylor in 1926. Godman measuring 12.4" sp. 69' tall. Age 20 at DBH, outside plot. Only live tree on plot is 1.2" sp. At left 5 dom. Sp nearby average 63' tall ranging in DBH from 10.3 to 20.2 Probably best growth on the...
Date: 8/1/1953

Virgin Bay reprod. plots.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration obtained from advance growth
Location: Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay
Description: Virgin Bay reprod. plots.
Date: 8/1/1953

General view of cutting, looking S.E. from a stump about 20' above the ground near Plot 3 on the June 13, 1923 map.
more info/bigger image
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: General view of cutting, looking S.E. from a stump about 20' above the ground near Plot 3 on the June 13, 1923 map.
Date: 8/1/1953

Virgin Bay reprod. Plot 4.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration obtained from advance growth
Location: Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay
Description: Virgin Bay reprod. Plot 4.
Date: 8/1/1953

Virgin Bay reproduction plot.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration obtained from advance growth
Location: Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay
Description: Virgin Bay reproduction plot.
Date: 8/1/1953

Virgin Bay Plot No 2. Estab. by RF Taylor 1926. R. A. Gregory in photo. 11 trees in plot over 1/2" diametr. Largest 6.1" spruce 33' tall. 12 trees less than 1/2" diam.
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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: Virgin Bay Plot No 2. Estab. by RF Taylor 1926. R. A. Gregory in photo. 11 trees in plot over 1/2" diametr. Largest 6.1" spruce 33' tall. 12 trees less than 1/2" diam.
Date: 7/31/1953

Virgin Bay plot No. 1, established by R. F. Taylor, 1926.
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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: Virgin Bay plot No. 1, established by R. F. Taylor, 1926.
Date: 7/31/1953

Virgin Bay cutting, plot 3. Photo shows "thicket" of "brush." Granite boulder back of Godman.
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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: Virgin Bay cutting, plot 3. Photo shows "thicket" of "brush." Granite boulder back of Godman.
Date: 7/31/1953

Plot 3, Virgin Bay.
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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: Plot 3, Virgin Bay.
Date: 1953

Picea sitchensis. Large spruce at Virgin Bay. John Grove in photo.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic botany
embryophyta: siphonogamia: spermatophyta: phanerogams: seed-plants in general: dendrology: coniferae:
Location: Alaska; Revillagigedo Island; Traitors Cove; Virgin Bay
Description: Picea sitchensis. Large spruce at Virgin Bay. John Grove in photo.
Date: 1951

Reproduction Plot #1 established by RFT in 1929. Virgin Bay.
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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 RFT in 1929. Virgin Bay.
Date: 10/1948