161 



Michigan 



Preparation of report on preliminary examination of forest conditions, in coopera- 

 tion with the State Forestry Commission W. BRADFIELD, A. A. WYNNE, Washington, 

 D. 0. 



Montana 



Preparation of report on forest lands, in cooperation with the Northern Pacific 

 Railway Company K. W. WOODWARD, W. B. PIPER, J. ST. J. BENEDICT, arid L. S. 

 MURPHY, Washington, D. C. 



General Studies- 

 Seed testing and seed storage W. H. VON BAYER, N. H. GRUBB, Washington, D. C. 



SILVK S. 



RAPHAEL'ZON. Chief (in the Field i. 

 S. T. DANA, Acting Chief. 



Central States- 



Study of the ashes W. T. STONE, Washington, D. C. 

 Middle West- 



Study of windbreaks and their influences C. G. BATES, Washington, D. C. 

 Southern States 



Study of bald cypress F. T. MCLEAN, New Orleans, La. 



Library, Miss H. E. STOCKBRIDGE. 

 Compilation, E. H. FROTHINGHAM. 



GRAZING. 



A. F. POTTER, Assistant Forester, in Charge. 

 L,. F. KNEIPP, Assistant Forester (in the Field). 

 WILL C. BARNES, Acting as Assistant Chief. 



I P6 OdT JB C r l* fS . 



Cooperative studies; private and state lands W. C. CLOS, Washington, D. C. 



Foraire investigations; compilation of data F. V. COVILLE, Botanist, Bureau of 

 Plant Industry, in charge, Washington, I). C.; JAMES T. JARDINE, Forest Ranger, and 

 ARTHUR T. SAMPSON, Plant Kcologist, both at Washington, 0. C. 



Identification of grasses and plants Dr. EDWARD L. GREENE, Consulting Expert, 

 Washington, D C. 



Poisonous-plant investigations Prof. C. D. MARSTT, Expert, Bureau of Plant 

 Industry, in charge, Washington, D. C. ; IVAR TIDESTROM, Scientific Assistant, Wash- 

 ington, 'D. C. 



Extermination of prairie dogs H. L. BENIIAM, Grazing Assistant, Denver, Colo. 



PRODUCTS. 



WM. L..HALL, Assistant Forester, in Charge. 

 McGARVEY CLINE, Assistant Fortster. 



WOOD UTILIZATION. 



H. S, BETTS, Acting Chief. 



Turpentining studies 



Statistics on production J. O. LAFONTISEE, Washington, D. C. 



Effects of different methods of turpentining A. L. BROWER, Washington, D. C, 



