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USFS Logo Research Data Archive
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Crew measuring bole diameters with calipers and bark gage. Steel tapes were used for determining log length. Heibert Bros. cutting unit near Wrangell.
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
Location: Alaska; Wrangell
Description: Crew measuring bole diameters with calipers and bark gage. Steel tapes were used for determining log length. Heibert Bros. cutting unit near Wrangell.
Date: 6/16/1961

Crew scaling down tree at Heibert Bros. Logging Co. cutting unit near Wrangell.
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
Location: Alaska; Wrangell
Description: Crew scaling down tree at Heibert Bros. Logging Co. cutting unit near Wrangell.
Date: 6/16/1961

Measuring bark thickness with Swedish bark punch. Standing trees were passed over by fallers & knocked over during yarding. Heibert Bros. cutting unit near Wrangell.
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
bark (including bark increment)
thickness
Location: Alaska; Wrangell
Description: Measuring bark thickness with Swedish bark punch. Standing trees were passed over by fallers & knocked over during yarding. Heibert Bros. cutting unit near Wrangell.
Date: 6/16/1961