312 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



RAYMOND A. PEARSON, President Iowa State College, Ames, Iowa , 

 Secretary. 



Subsection 1. Conservation of Mineral Resources. 



M. R. CAMPBELL, Geologist in Charge, Western Mineral Fuels, United 

 States Geological Survey, Washington, D. C., Chairman. 



WALDEMAR LINDGREN, Professor of Economic Geology, Massachusetts 

 Institute of Technology, Boston, Mass. 



C. E. SIEBENTHAL, United States Geological Survey, Washington, D. C. 



W. C. PHALEN, United States Geological Survey, Washington, D. C. 



Subsection 2. Conservation of Forests. 



HENRY S. GRAVES., Chief Forest Service, Department of Agriculture, 

 Washington, D. C., Chairman. 



J. W. TOUMEY, Professor School of Forestry, Yale University, New 

 Haven, Conn. 



A. F. POTTER, Associate Forester, Forest Service, Department of Agri- 

 culture, Washington, D. C. 



Mai. GEORGE P. AHERN, 2806 Cathedral Avenue, Washington, D. C. 



Subsection 3. Conservation of Water for Power. 



N. C. GROVER, Hydraulic Engineer, in Charge Water Resources Branch, 

 Geological Survey, Washington, D. C., Chairman. 



HERMAN STABLER, United States Geological Survey, Washington, D. C. 



M. O. LEIGHTON, Consulting Engineer, 501 McLachlen Building, Wash- 

 ington, D. C. 



E. C. FINNEY, Attorney, Department of the Interior, Washington, D. C. 



PHILIP P. WELLS, Attorney, Conservation Commission, Washington, 

 D. C. 



Subsection 4. Irrigation. 



SAMUEL FORTIER, Chief of Irrigation Investigations, Office of Public 

 Roads and Rural Engineering, Department of Agriculture, Washing- 

 ton, D. C., Chairman. 



C. S. SCOFIELD, In Charge Western Irrigation Agriculture, Bureau of 

 Plant Industry, Department of Agriculture, Washington, D. C. 



R. P. TEELE, Irrigation Economist, Office of Public Roads and Rural 

 Engineering, Department of Agriculture, Washington, D. C. 



C. W. SuiTON, Civil Engineer, 80 Maiden Lane, New York City, N. Y. 



A. F. CHANDLER, Member State Water Commission, San Francisco, Cal. 



I. D. O'DoNNELL, Supervisor of Irrigation, Department of the Interior, 

 Billings, Mont. 



