40 



Airplane Tests. Prof. E. R. Maureiy in charge ; C. B. Norris, Hobart 

 D. Frary, Rufus Crane, E. P. Johnson, J. A. Hanson, Tower W. King, 

 Frank C. Milliman. 



Box Design. Henry J. Hegel, in charge of laboratory tests ; Don L. 

 Quinn, in charge of field studies ; L. R. Morris, R. B. Quincy, J. B. 

 Frear, H. M. Hale, A. F. McDuffie, L. P. Elliott, A. J. De Smidt, H. N. 

 Pettibone. 



TIMBER PHYSICS. FRANK J. HALLAUER, in charge ; A. Koehler, C. A. 

 Kupfer, Eloise Gerry, M. E. Diemer, Gertrude Griffin, C. W. Gould, 

 James D. Studley, M. C. Jensen, Thos. R. Stoltenberg, C. V. Sweet, 

 Lawrence V. Teesdale, D. R. Brewster, J. L. Brownlee, Nils P. Eckbo. 



WOOD PRESERVATION. CLYDE H. TEESDALE, in charge ; Geo. M. Hunt. 

 Matthew E. Dunlap, Olenus L. Sponsler, Shirley W. Allen, S. B. Hen- 

 ning, Samuel Schwartz, Alfred C. Lindauer, Frederick L. Browne, 

 Samuel Butterman, Melville H. Price, Edward P. Devlin, T. R. Truax, 

 R. A. Colgan. 



Propeller Manufacture. A. L. Ileim, in charge ; A. C. Knauss, Louis 

 Seutter, E. F. Horn. 



INDUSTRIAL INVESTIGATIONS. H. S. BBTTS, in charge; ROLF 

 THELEN, on detail. 



STUDIES. J. T. Harris and Harry P. Burden. 



USES OF WOODS. W. D. Brush. 



WOOD- WASTE EXCHANGE. R. K. Helphenstine, jr. 



LUMBER INDUSTRY STUDY. R. C. Bryant, East ; F. E. Olmsted, West. 



FIELD INVESTIGATIONS. E. N. Munns, W. H. Weber, E. H. Froth- 

 ingham, K. McR. Clark, P. S. Lovejoy. 



STATISTICS OF FOREST PRODUCTS. Franklin H. Smith, Albert H. 

 Pierson. Collaborator : A. B. Strough, Albany, N. Y. 



ENGINEERING. 



O. C. MERRILL, chief engineer, in charge. 

 ROADS. T. W. NORCROSS, assistant chief engineer, in charge. 

 WATER POWER. L. A. WHITSIT, assistant engineer, in charge. 

 MAPS AND SURVEYS. F. E. BONNER, assistant engineer, in charge 

 (temporarily on detail to the Forest Products Laboratory) ; 

 C. A. KOLB, geographer. 



ATLAS. G. B. BRUCE. 



DRAFTING. J. M. WITHEROW. 



ENGRAVING. F. C. CRASS. 



PHOTOGRAPHY. E. S. SHIPP. 



SURVEYS. F. E. BONNER (on detail to Madison laboratory). 



ACQUISITION OF LANDS UNDER THE WEEKS LAW. 



WILLIAM L. HALL, assistant forester in charge, Washington, D. C. 

 APPRAISAL OF LANDS. W. W. ASHE, forest inspector in charge, Wash- 

 ington, D. C. Lumberman's examinations : E. D. Fletcher, Gorham, 



