LETTER OE TRANSMITTAL. 



Department of the Interior, 



U. S. Geological Survey, 

 California Division of Geology, 



Washington, D. C, July 19, 1887. 

 Sir: I have the honor to transmit herewith a report on the geology of 

 the quicksilver deposits of the Pacific slope, prepared in accordance with 

 your instructions. 



Very respectfully, your obedient servant, 



George F. Becker, 



Geologist in Charge. 

 Hon. J. W. Powell, 



Director U. S. Geological Survey. 



