Lumber studies. D. G. WHITE. 



DERIVED PRODUCTS. S. F. AGREE, in charge ; Ernest Bateman, A. W. 

 Schorger, F. W. Kressman, R. C. Palmer, Homer Cloukey, Howard N. 

 Calderwood. 



ENGINEERING. A. L. HEIM, in charge ; James O. Bixby. 



MAINTENANCE. CHAS. P. JUCKEM, in charge. 



PULP AND PAPER. OTTO KRESS, in charge ; Sidney D. Wells, H. E. 

 Surface, G. C. McNaughton, Sidney E. Lunak, Clinton K. Textor. 



TIMBER PHYSICS. H. D. TIEMANN, in charge ; Eloise Gerry, M. E. 

 Diemer, James E. Imrie, A. Koehler, Gertrude Griffin, Milton H. 

 Hostman. 



TIMBER TESTS. JOHN A. NEWLIN, in charge ; A. K. Armstrong, 

 Thomas R. C. Wilson, Leslie R. Morris, Robt. L. Pettigrew, I. L. 

 Moore. 



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

 P. R. Hicks, M. C. Jensen. 



PATHOLOGY (in cooperation with the Bureau of Plant Industry). 



C. J. HUMPHREY, in charge ; Ruth M. Fleming. 



INDUSTRIAL INVESTIGATIONS. H. S. BETTS, in charge, Washington, 



D. C. Correlation of lumber grades and consumers' specifications, 

 H. S. Betts and J. C. Nellis. Industrial' statistics, Franklin H. Smith 

 and A. H. Plerson. Departmental cooperation, inspection and revision 

 of Government specifications, J. T. Harris and R. K. Helphenstine, jr. 

 Tight and slack cooperage investigations, J. T. Harris. Box industry 

 investigations, J. C. Nellis. Preparation of publications on uses of 

 woods, W. D. Brush. Collection of material for sets of samples of 

 commercial woods, W. D. Brush. Mechanical utilization of mill and 

 factory waste, R. K. Helphenstine, jr. Lumber and stumpage price 

 records, Franklin H. Smith. Blighted chestnut durability experiments, 

 J. C. Nellis. 



ACQUISITION OF LANDS UNDER THE WEEKS LAW. 



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



LUMBERMAN'S EXAMINATIONS. E. D. Fletcher, Gorham, N. H. ; C. D. 

 Gushing, Lenoir, N. C. 



EXAMINATION OP LANDS. W. W. ASHE, forest inspector in charge, 

 Washington, D. C. White Mountan Area, D. W. Martin, H. S.' Davis, 

 forest examiners, Gorham, N. H. Potomac Area, W. R. Barbour, forest 

 examiner, Woodstock, Va. Natural Bridge Area, H. M. Sears, forest 

 examiner, Buena Vista, Va. Boone Area, E. M. Brunei', forest ex- 

 aminer, Lenoir, N. C. Mount Mitchell Area, R. J. Noyes, forest ex- 

 aminer, Marion, N. C. Pisgah Area, W. J. Damtoft and L. L. Bishop, 

 forest examiners, Asheville, N. C. 



SURVEY OF LANDS. RUDOLPH DIEFFENBACH, forest examiner, in 

 charge ; Robert G. Merritt, forest examiner, Washington, D. C. White 



