119 



Louisiana 



Experimental operation of a plant for the treatment of telephone poles, in co- 

 operation with the North Louisiana Telephone Company HARRY M. MASON. Jr., 

 Winnfield. 



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 commercial open-tank wood-preserving plant, in 

 cooperation with the Philadelphia and Heading Coal and Iron Company JOHN M. 

 NELSON, Jr.. Washington, D. C.; assistant, detailed by the company, L. W. CONRAD, 

 Pottsville, Pa. 



Experimental operation of a commercial open-tank wood-preserving plant for the 

 treatment of mine and railway timbers, in cooperation with the Delaware, Lacka- 

 wanna and Western Railroad Company C. P. WINSLOW, Hotel Terminal, Wilkes- 

 Barre, Pa. 



Research, HOWARD F. WEISS. 



General Studies 



Special investigations and studies of problems in wood preservation WALTER F. 

 STUTZ, Washington, D. C. 



Supervision of the construction of an experimental laboratory HOWARD F. WEISS, 

 Washington, 1). C. 



OFFICE OF PUBLICATION. 



FINDLEY BURNS, Chief. 



Review, BRISTOW ADAMS. 

 Education, DON CARLOS ELLIS, Acting. 

 Distribution, WILLIS G. BROWN. 



IPTJiBLTCA.T'IOPrS I3V JVOVEilMBEIt. 



Manual of Procedure for the Forest Service in Washington and in District Offices. 



Wholesale Lumber Prices. 



Silvical Leaflet 18. Redwood. 



Silvical Leaflet 19. Bigtree. 



Silvical Leaflet 21. Jeffrey Pine. 



Silvical Leaflet 23. Bristle-cone pine. 



Silvical Leaflet 28. Black Spruce. 



Silvical Leaflet 29. Blue Spruce. 



Silvical Leaflet 30. California Swamp Pine. 



Silvical Leaflet 31. Black Hemlock. 



Silvical Leaflet 32. Tamarack. 



Silvical Leaflet 33. Digger Pine. 



Silvical Leaflet 34. Coulter Pine. 



Silvical Leaflet 35. Alpine Larch. 



Silvical Leaflet 36. Knobcone Pine. 



Silvical Leaflet 37. White-bark Pine. 



Silvical Leaflet 38. Paper Birch. 



Silvical Leaflet 39. Monterey Pine. 



Silvical Leaflet 40. Swamp Cottonwood. 



Silvical Leaflet 41. Chestnut Oak. 



Silvical Leaflet 42. Sugar Maple. 



