Credit: Courtesy Pennsylvania State Archives
Hemlock trees were stripped for their bark, which at the time was the primary source for tannin, used in leather processing. Shown here, a group of loggers stripping bark from a downed tree.
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Stripping Bark
Credit: Courtesy Pennsylvania State Archives
Hemlock trees were stripped for their bark, which at the time was the primary source for tannin, used in leather processing. Shown here, a group of loggers stripping bark from a downed tree.
