EARTH 



SCIENCES 

 LIBRARY 



OFFICERS OF THE GEOLOGICAL SURVEY. 



Eugene A. Smith, Ph. D State Geologist 



Robert S. Hodges.... Chemist 



Roland M. Harper, Ph. D Geographer and Botanist 



Mrs. Herbert H. Smith Acting Curator of Museum 



Truman H. Aldrich Honorary Curator of Mollusca 



Rev. H. E. Wheeler Assistant in Paleontological Work 



George N. Brewer Field Geologist 



Miss A. T. Donoho , Secretary 



ASSISTANT GEOLOGISTS ON SPECIAL WORK. 



William F. Prouty, Ph. D. J. E. Brantly 



Douglas R. Semmes, Ph. D. Walter B. Jones 



JTING CO. WON 



