FOREST SERVICE. 



HENRY S. GRAVES, Forestor. 



ALBERT F. POTTER, Associate Fares tor. 



HERBERT A. SMITH, Editor. 



BRANCH OF RESEARCH. 



Earle H. Clapf, Assistant Forester, In Charge, 



Forest Investigations. 



Kaphael Zon, Chief. 



Samuel T. Dana, Assititmt thief. 



