BUREAU OF SOILS. 



MILTON WHITNEY, Chief of Bureau. 

 ALBERT G. RICE, Chief Cleric. 



SCIENTIFIC STAFF. 



FRANK K. CAMERON, in charge of Physical and Chemical Investigations. 



CURTIS F. MARBUT, in charge of Soil Survey. 



OSWALD SCHREINEB, in charge of Fertility Investigations. 



2 



