FOREST SERVICE. 



HENRY S. GRAVES, Forester. 



ALBERT F. POTTER, Associate Forester. 



BRANCH OF RESEARCH. 



Earle H. Clapp, Assistant Forester, in charge. 



Forest Products Laboratory. 



Carlilb P. Winslow, Director. 



Frank J. Hallauer, in charge of Review. 



*5 



SECTION OP TIMBER TESTS. 



J. A. Newlin, Engineer in Forest Products, in charge. 

 T. R. C. Wilson, Engineer in Forest Products. 



