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This publication is not available online.  It will have to be ordered from a library.
Author(s): Kendall L. Johnson
Year Published:

An increment borer is a precision instrument specially designed to extract a thin cylinder of wood from a tree, shrub, log or pole. It is available in a variety of sizes ranging in length from 4 inches to 40 inches. Although the increment borer is…
Author(s): James K. Agee, Mark H. Huff
Year Published: