LETTHR OF TRANSMITTAL. 



Department of the Interior, 

 United States Geological Survey, 



WashififffoH, I). ("., June .20, 1S91. 



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

 the Eureka District, Nevada. 



To yonri^elf and to the Hon. Chirence King-, mider wliose direction tlie 

 helil work was (•(innncnccd, 1 am greatly indebted for the personal interest 

 taken in tlu; investigation, and also for the generous facilities afforded me 

 l)oth in the field and office. 



Very respectfully, yom- obedient servant, 



Arnold Hague, 



Geoloyiat in Charge. 

 Hon. J. W. Powell, 



Director, U. S. Geological Survey. 



