262 FOREST PROTECTION 



II. Peters, J. G. Forest Fires in the United States in 1915. Circular 69, 

 Ofl&ce of the Secretary, United States Department of Agriculture, Washington, 

 1917, p. 2. 



DuBois, C. Systematic Fire Protection in the CaUfornia Forests. Forest 



Service, United States Department of Agriculture, Washington, 19 14. 

 MxJNGER, T. T. Western Yellow Pine in Oregon. Bulletin 418, United States 



Department of Agriculture, Washington, 1917, pp. 9-12. 

 SiLCOx, F. A. Fire Protection in District I. Forest Service, United States 



Department of Agriculture, Washington, 1915. 

 Troup, R. S. Pinus Longifolia, Roxb. A Sylvicultural Study. The Indian 



Forest Memoirs, Vol. I, Part I, Silviculture Series, Calcutta, 1916, pp. 



67-78. 



