St. Paul, MN: North Central Forest Experiment Station, Forest Service - U.S. Department of Agriculture, 1977. Paperback. 455pp. Quarto [26.5 cm] Pale and dark blue illustrated wraps. Very good. There is a previous owner's name in pen on the front cover. The spine and the immediate surrounding areas on the covers are sunned. There are a couple of very tiny stains on the bottom edge of the text block. Item #36777
From the Foreword- "The purpose of the Symposium was to encourage and stimulate the exchange of ideas, problem solutions, and research needs within this rather broad field."