XIV PKEFACE. 



The writer's acknowledgments are due to many gentlemen, superin- 

 tendents of mines and others, who rendered valuable assistance in furnishing 

 information in regard to the country, and who generously afforded every 

 facility in the prosecution of the work. Special thanks are due to Mr. R 

 Kickard, formerly superintendent of the Richmond Mining Company, and 

 to Mr. Thomas J. Read, superintendent of the Eureka Consolidated Mining 

 Company. 



June 6, 1891. ARNOLD HAGUE. 



