34 



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

 Schorger, F. W. Kressman, Howard N. Calderwood. 



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



MAINTENANCE. CHAS. P. JUCEKEM, 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. 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. 



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



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

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

 S. H. Thompson, L. H. Steffens, forest examiners, Gorham, N. H. 

 Monongahela Area, H. M. Sears, forest examiner, Elkins, W. Va. 

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

 Mitchell Area, R. C. Hall, R. J. Noyes, forest examiners, Marlon, N. C. 

 Alabama Area, W. R. Barbour, C. E. Beaumont, W. J. Damtoft, forest 

 examiners, Haleyville, Ala. 



SURVEY OP LANDS. RUDOLPH DIEPFENBACH, forest examiner, In 

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

 Mountain Area, Arthur E. Hoxie, J. W. Fox, Frederick A. Gardner, 



