THE AUTHOR GRATEFULLY ACKNOWLEDGES INFORMATION AND ASSISTANCE FROM THE WRITINGS AND REPORTS OF COL. W.B. GREELEY, U.S. FORESTER; COL. HENRY S. GRAVES, FORMER U.S. FORESTER; GIFFORD PINCHOT, FORMER U.S. FORESTER; DR. B.E. FERNOW, DR. J.W. TOUMEY, F.W. BESLEY, W.I. HUTCHINSON, R.H.D. BOERKER, PROF. NELSON C. BROWN, PROF. R.S. HOSMER, E.A. STERLING, R.S. KELLOGG, E.T. ALLEN, S. GORDON DORRANCE, DR. HUGH P. BAKER, ALFRED GASKILL, J.S. ILLICK, AND MANY OTHER LEADERS IN FORESTRY.

A people without children would face a hopeless future; a country without trees is almost as helpless; forests which are so used that they cannot renew themselves will soon vanish, and with them all their benefits. When you help to preserve our forests or plant new ones you are acting the part of good citizens.

—THEODORE ROOSEVELT.