Title: Birch timber resources of North America
Author: Quigley, Kenneth L.; Babcock, Harold M.;
Source: In: Doolittle, W.T.; Bruns, P.E., comps. Birch symposium proceedings; 1969 August 19-21; Durham, NH. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 6-14.
Publication Series: Paper (invited, offered, keynote)
Description: The genus Betula is composed of about 40 species of trees and shrubs. This paper deals with two of the most important: paper birch and yellow birchtheir geographic ranges, areas of importance, cover types in which they are found, cubic- and board-foot volumes, estimates of growth-allowable cut, removal, and future volume trends. Our data are drawn from numerous timber-resource reports. Most information presented here is based on surveys and compilations made in the 1960's; but where no later data were available, information collected during the 1950's was used. In Canada, where no data were available, information on similar areas and conditions was used to develop approximations.
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Quigley, Kenneth L.; Babcock, Harold M. 1969. Birch timber resources of North America. In: Doolittle, W.T.; Bruns, P.E., comps. Birch symposium proceedings; 1969 August 19-21; Durham, NH. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 6-14.
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