OFFICERS OF THE SURVEY. 



EDWARD ORTON, 



State Geologist. 



Clay Working, 



ASSISTANTS. 



Prof. Edward Orton, Jr. 



Mapping Coal Fields, 



Prof. C. N. Brown, in charge. 

 J. A. Bownocker. 

 A. F. Foerste, Ph. D. 

 G. P. Grimsley, Ph. D. 

 C. E. Sherman, C. E. 

 Prof. F. W. Sperr. 

 Prof. H. A. Surface. 



Map Co?istruction, 



C. E. Sherman, Chief Draftsman. 

 Harry Shaw, Assistant il 



Arch&ology, 



Gerard Fowke. 



Botany, 



Prof. W. A. Kellerman. 

 W. C. Werner. 



Paleontology, 



Prof. R. P. Whitfield. 

 Prof. C. L. Herrick. 

 A. F. Foerste, Ph. D. 

 Prof. E. W. Claypole. 

 E. O. Ulrich. 



