OFFICE OF SILYICS. 



RAPHAEL, ZON, Chief. 



Field Studies, RAPHAEL ZON, in Charge. 



Colorado 



Location and estimate of timber infested by the Black Hills beetle, the Engelmann 

 spruce beetle, the Douglas fir beetle, etc., in Colorado National Forests, and investi- 

 gation of the facilities for barking the standing timber or disposing of it, in coopera- 

 tion with the Bureau of Entomology (forest insect investigations, A. D. Hopkins, in 

 charge) W. D. EDMONSTON, Larkspur, Colo. 



Ecological studies of the Colorado forests, with special reference to their life his- 

 tory and their reproduction after cutting or burning Prof. FREDERIC E. CLEMENTS, 

 Lincoln, Nebr. 

 Eastern States- 



Study of the hickories A. T. BOISEN, Bloomington, Ind. 

 Montana 



Study of cut-over areas of lodgepole pine E. R. HODSON, Helena, Mont. 

 Pennsylvania and Virginia 



Study of second-growth yellow poplar in northern Virginia and eastern Pennsyl- 

 vania W. W. A SHE, Washington, D. C. 



Library, H. E. STOCKBRIDGE, in Charge. 

 Compilation, E. H. FROTHINGHAM, in Charge. 



OFFICE OF EXTENSION. 



SAMUEL N. SPRING, Chief (in the Field). 

 L. C. MILLER, Acting Chief. 



Planting 1 , F. J. PHILLIPS, Acting in Charge. 



Assignments for work in nursery and planting under the direction of supervisors: 

 A. E. OMAN, Forest Assistant, Neihart, Mont. 

 W. D. HAYES, Forest Assistant, Pocatello, Idaho. 



Reconnaissance, W. H. VON BAYER, in Charge. 



Study of forest planting in irrigation projects in Southern Idaho E. 0.' SIECKE, 

 Pocatello, Idaho. 



Study of forest planting in irrigation projects in South Dakota, Montana, and 

 Wyoming F. G. MILLER, Billings, Mont. 



Study of watersheds in the White River National Forest C. A. KUPFER, Meeker, 

 Colo. 



Study of forest planting in Mississippi G. L. CLOTHIER, Agricultural College, Miss. 



Preparation of plans for experimental planting on National Forests W. H. VON 

 BAYER, Deadwood, S. Dak. 



Cooperation, S. B. DETWILER, in Charge. 



California 



Experimental planting G. B. LULL, Collaborator, Sacramento, Cal. 

 Hawaii 



Experimental planting R. S. HOSMER, Collaborator, Honolulu. 

 Kansas 



Addresses on forest planting, western Kansas, S. B. DETWILER, Manhattan, Kans. 

 Preparation of reports on forest planting- in Ohio and Indiana A. S. PECK, 



Washington, D. C. 



