Timber growing and logging practice in the western white pine and larch-fir forests of the northern rocky mountains
Koch, Elers, Cunningham, R.N., Greeley, W.B.
Timber growing and logging practice in the western white pine and larch-fir forests of the northern rocky mountains - Washington 1927 - 1-37 p. - Timber, Growing, Forests United State Department of Agriculture. Bulletin No. 1494 .
Timber growing and logging practice in the western white pine and larch-fir forests of the northern rocky mountains - Washington 1927 - 1-37 p. - Timber, Growing, Forests United State Department of Agriculture. Bulletin No. 1494 .