163 



Iowa 



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

 the State College Experiment Station Prof. C. A. Scon 1 , Ames. 



Louisiana 



Compilation of data collected in the experimental operation of a plant for the 

 preservative treatment of telephone poles, in cooperation with the North Louisiana 

 Telephone Company HARRY M. MASON, Jr., Washington, D. C. 



Experiments in treating the products of southern lumber mills, in cooperation 

 with the Great Southern Lumber Company CHARLES T. BARNUM, Bogalusa, 



Minnesota 



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

 the University of Minnesota C. P. WILLIS, St. Anthony Park, St. Paul. 



Pennsylvania 



Experimental operation of a wood-preserving plant, in cooperation with the Phila- 

 delphia and Reading Coal and Iron Company JOHN M. NELSON, Jr., Washington 

 D. C. ; assistant, detailed by the company, L. W. CONRAD, Pottsville, Pa. 



Research, HOWARD F. WEISS. 



General Studies 



Dpsigns for tank gauges for nonpressure plants FRANCIS M. BOND, Washington, 

 D. C. 



Supervision of the construction of an experimental laboratory HOWARD F. W T EISS, 

 Washington, D. C. 



PUBLICATION. 



FINDLEY BURNS, Chief. 



Review, BRISTOW ADAMS. 

 Education, Dov CARLOS ELLIS, Acting. 

 Distribution, WILLIS G. BROWN. 



Circular 150. Douglas Fir. 



Circular 159. The Future Use of Land in the United States. 



