77 



Indiana 



Tests of structural timbers and a number of species of hickory, in cooperation with 

 Purdue University, the Illinois Central Railway Company, and the National 

 Hickory Association W. K. HATT, La Fayette; assistants, J. A. NEWLIN, J. O. 

 BIXBY, WM. D. DUDDING, T. LYONS, and H. WEYLS. 



General Studies 



Collection of statistics of forest products, in cooperation with the Bureau of 'the 

 Census A. H. PIERSON, Washington, D. C.; GEORGE K. SMITH, Lumbermen's 

 Building, St. Louis, Mo. 



Studies in the heat conductivity of wood FREDERICK DUNLAP, Washington, D. C. 



Study of wood-using industries and markets for forest products H. S. 

 SACKETT, Washington, D. C. ; FRANKLIN H. SMITH, Chicago, 111. 



Microscopic study of the mechanical failure of wood W. D. BRUSH, Washington, 



Timber-test files T. W. VENEMANN, Washington, D. C. 



OFFICE OF WOOD PRESERVATION. 



W. F. SHERFESEE, Chief (in the Field). 

 H. F. WEISS, Acting Chief (until Oct. 15). 



Compilation of data on wood preservation M. C. JENSEN, Washington, D. C. 

 National Forest Timbers, WALTER R. WHEATON. 



T_ROJEOT!S. 



Colorado 



Experimental operation of a wood-preserving plant for National Forest timbers 

 PAUL M. CAINE, Norrie. 



South Dakota- 



Experimental operation of a wood-preserving plant for National Forest timbers 

 GEORGE R. OGIER, Dead wood. 



Farm Timbers, C. STOWELL SMITH. 



Iowa- 



Preservative treatment of fence posts and other farm timbers, in cooperation with 

 the State College Experiment Station Prof. C. A. SCOTT, Ames. 



Minnesota 



Preservative treatment of fence posts and other farm timbers, in cooperation with 

 the University of Minnesota C. P. WILLIS, St. Anthony Park (after October 15). 



New York- 



Preservative treatment of greenhouse timbers, in cooperation with S. Jacobs & 

 Sons, Brooklyn C. P. WILLIS, Brooklyn (until October 15). 



Railroad and Mine Timbers, JOHN M. NELSON, Jr. 



JP H OT IE <J TS . 



Alabama- 



Construction and experimental operation of a commercial open-tank wood-pre- 

 serving plant, in cooperation with the Tennessee Coal, Iron and Railroad Company 

 EDWARD H. FORD, Birmingham. 



California 



Experiments in seasoning and treating telephone poles, in cooperation with elec- 

 tric companies in southern California O. T. SWAN, Hotel Westmoore, Los Angeles. 



Idaho 



Experimental treatment of mine timbers, in cooperation with the Bunker Hill 

 and Sullivan Mining and Concentrating Company and -the Hercules Mining Com- 

 pany P. R. HICKS, care S. A. Easton, Kellogg. 



