Timber growing and logging practice in the western white pine and larch-fir forests of the northern Rocky Mountains / by Elers Koch and R.N. Cunningham, introduction by W.B. Greeley.
出版資料
Washington, D.C. : U.S. Dept. of Agriculture, 1927.
複本
說明
38 p., 10 p. of plates : ill. ; 23 cm.
系列
Department bulletin / United States Department of Agriculture ; no. 1494
