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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 19
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A "loader crew" setting tongs in the butt log of tree number 27, a 64 inch dbh Sitka spruce (Thorne Bay).
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: A "loader crew" setting tongs in the butt log of tree number 27, a 64 inch dbh Sitka spruce (Thorne Bay).
Date: 7/20/1963

A "yarder crewman" hangs on to the delicate gauge and rides a weighed log to a new decking area. This safety hazard was later corrected when a rope was used to support the gauge.
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: A "yarder crewman" hangs on to the delicate gauge and rides a weighed log to a new decking area. This safety hazard was later corrected when a rope was used to support the gauge.
Date: 7/20/1963

A closeup of the Ohaus balance used to weigh wedges (Thorne Bay).
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: A closeup of the Ohaus balance used to weigh wedges (Thorne Bay).
Date: 7/20/1963

A water container designed for the project by forest survey is being used to determine the volume of a wedge (Thorne Bay).
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: A water container designed for the project by forest survey is being used to determine the volume of a wedge (Thorne Bay).
Date: 7/20/1963

After the bundle of logs is unloaded the trailer is unhitched & placed on the truck.
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay?
Description: After the bundle of logs is unloaded the trailer is unhitched & placed on the truck.
Date: 7/20/1963

Each wedge is weighed and then immersed in a container of water to determine volume. Measurements are made with and without bark (Thorne Bay).
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: Each wedge is weighed and then immersed in a container of water to determine volume. Measurements are made with and without bark (Thorne Bay).
Date: 7/20/1963

Free lifting the butt log of tree 27 (Thorne Bay).
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: Free lifting the butt log of tree 27 (Thorne Bay).
Date: 7/20/1963

Preparing to unload a load of logs at Thorne Bay.
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: Preparing to unload a load of logs at Thorne Bay.
Date: 7/20/1963

Reading the Martin-Decker gauge to the nearest 10-pounds. The butt log of tree 27 pictured here weighed 13,670 pounds (Thorne Bay).
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: Reading the Martin-Decker gauge to the nearest 10-pounds. The butt log of tree 27 pictured here weighed 13,670 pounds (Thorne Bay).
Date: 7/20/1963

Recording the weight of a 24-foot hemlock log (Thorne Bay).
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
log measurement
"scaling"
measurement by weight
Location: Alaska; Prince of Wales Island; Thorne Bay
Description: Recording the weight of a 24-foot hemlock log (Thorne Bay).
Date: 7/20/1963