62 



PULP AND PAPER. OTTO KRESS, in charge ; H. E. Surface, G. C. 

 McNaughton, Sidney E. Lunak, Clinton K. Textor, Chas. R. Cressey. 



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; Matthew E. 

 Dunlap, 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, Paul J. Siggers. 



INDUSTRIAL INVESTIGATIONS. H. S. BETTS, in charge, Wash- 

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

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

 and A. H. Pierson. 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. Collaborator, A. B. Strough, New York. 



ENGINEERING. 



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

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

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

 FOREST MAPS AND SURVEYS. FRANK E. BONNER, assistant engineer, in 

 charge ; C. A. KOLB, geographer. 



ATLAS. G. B. BRUCE. 



DRAFTING. J. M. WITHEROW. 



PHOTOGRAPHY. E. S. SHIPP. 



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. 

 Cushing, Haleyville, Ala. ; George E. Marshall, Clayton, Ga. 



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

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

 S. H. Thompson, forest examiners, Gorham, N. H. Natural Bridge 

 Area, H. M. Sears, forest examiner, Buena Vista, Va. White Top Area, 

 L. H. Steffens, W. V. Damtoft, forest examiners, Abingdon, Va. Boone 

 Area, E. M. Bruner, forest examiner, Lenoir, N. C. Mount Mitchell 

 Area, R. C. Hall, R. J. Noyes, C. E. Beaumont, forest examiners, Marion, 

 N. C. Alabama Area, W. R. Barbour, forest examiner, Haleyville, Ala. 



