TIO 



THE SELECTION METHOD 



WETOIIAN, R. H. A Study of Windfall Loss of Western Yellow Pine in 



Selection Cuttings Fifteen to Thirty Years Old. Journal of Forestry, 



Vol. XVIII, 1920, pp. 616-622. 

 WOOLSEY, T. S., JR. Cutting Western Yellow Pine in Arizona and New 



Mexico. Proceedings of the Society of American Foresters, Vol. 9, 1914, 



PP- 479-503. 

 ZON, R. Balsam Fir. Bulletin 55, United States Department of Agriculture, 



Washington, 1914, pp. 65-66. 



