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USFS Logo Research Data Archive

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Displaying items 1 - 20 of 32
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Soil profile near Tetlin Jct. along the Tanana River. Upper layer of silt, lower layer of "P" gravel.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: site factors
climate, situation, soil, hydrology
soil formation
the soil profile and its development
Location: Alaska; Tanana River; Tetlin Junction
Description: Soil profile near Tetlin Jct. along the Tanana River. Upper layer of silt, lower layer of "P" gravel.
Date: 7/1974

J. Hegg, Ed Gunter, Steve Davis, & Bruce fueling the chopper.
more info/bigger image
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

M.Mehl recording plot information in a black spruce stand.
more info/bigger image
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

Old growth or over-mature white spruce near Tanacross. M. Mehl.
more info/bigger image
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

Planning the attack on a plot. Guy Wold, Enzo Becia, M. Mehl.
more info/bigger image
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

Interior river, probably the Nabesna R.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: animal ecology
game and fish management
hunting, shooting and fishing
fish management
fishing
Location: Alaska; Nabensa River?
Description: Interior river, probably the Nabesna R.
Date: 7/1974

Typical black spruce. Higer-head[?] site.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska
Description: Typical black spruce. Higer-head[?] site.
Date: 7/1974

Chopper landing along bank of Nabesna River.
more info/bigger image
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

Guy Wold interpreting aerial photos.
more info/bigger image
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

High elevation white spruce with the Tanana River in the background.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Tanana River
Description: High elevation white spruce with the Tanana River in the background.
Date: 7/1974

K. Hegg interpreting aerial photos.
more info/bigger image
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

Subalpine white spruce with alder & blueberry undergrowth. South facing slope. Tetlin Lake in right backgrd.
more info/bigger image
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

Typical highway scene by Tok.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Location: Alaska; Tok
Description: Typical highway scene by Tok.
Date: 7/1974

Vegetation coming in on a once flooded area. Notice the roundness of the alder bushes due to animal browsing.
more info/bigger image
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

View at the Tanana River near Tetlin Jct.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: land use, land-use policy, afforestation policy
relations between forest and waste land
utilization and afforestation of waste land
deforestation
Location: Alaska; Tanana River; Tetlin Junction
Description: View at the Tanana River near Tetlin Jct.
Date: 7/1974

View of the Tanana Valley by Tok from the Tanacross oil storage tank farm.
more info/bigger image
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

View to the East of the Tanana Valley by Tok from the Tanacross oil storage tank farm.
more info/bigger image
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

Haines-Fairbanks pipeline right away.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Location: Alaska; Haines
Description: Haines-Fairbanks pipeline right away.
Date: 7/1974

View of high elevation black spruce.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska
Description: View of high elevation black spruce.
Date: 7/1974

Clearcut - Thorne Bay - overlooking Clarence Strait - Ferry in background.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: regeneration and formation of stands
natural regeneration
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: Clearcut - Thorne Bay - overlooking Clarence Strait - Ferry in background.
Date: 1974