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. BownocRER. 

 A. F. Foerste, Ph. D. 

 G. P. Grimsley, Ph. D. 

 C. E. Sherman, C. E. 



Prof. F. W. Sperr. 



Prof. H. A. Surface. 



Map Construction, 



C. E. Sherman, Chief Draftsman. 

 Harry Shaw, Assistant 



Archaeology, 



Gerard Fowke. 



Botany, 



Prof. W. A. Kellerman. 

 W. C. Werner. 



Paleontology, 



Prof. R. P. Whitfield. 

 Prof. C. E. Herrick. 

 A. F. Foerste, Ph. D. 

 Prof. E. W.' Claypole. 

 E. O. Ulrich. 



