SILVER-LEAD DEPOSITS OF EUREKA, 

 NEVADA. 



BY J. S. CURTIS. 



CHAPTER I. 



GENERAL DESCRIPTION OF EUREKA DISTRICT. 



position. — Eureka Mining District is situated on the western side of the 

 Diamond Range in the eastern part of the State of Nevada and south of the 

 Central Pacific Railroad. The town of Eureka, which forms the business 

 center of this region, is about 90 miles south of Palisade, a station on the 

 above-mentioned railroad. Eureka is connected with Palisade by a nar- 

 row-gauge road. The town lies at an altitude of about 6,500 feet above 

 sea-level, in a canon, which, following a northerly course, enters Diamond 

 Valley. Ruby Hill, distant about two miles west of Eureka, is the mining 

 center of the district. On the hill which gives its name to the town are the 

 mines which, through their large production of lead, silver, and gold, have 

 given Eureka District a world-wide notoriety. The Ruby Hill mines are by 

 no means the only productive mines of the district, but they are those which 

 up to the present time have been most extensively worked and have afforded 

 the best returns for invested capital. On account of the facilities offered 

 for the study of mining geology, these mines are also the most interesting 

 from a scientific point of view. They have been examined by many able 

 geologists and mining engineers, among whom there has been great diver- 

 sity of opinion in regard to the nature of the deposit. 



Topography. — The surface of the country in which Eureka, Secret Canon, 



and Silverado Districts are situated is broken up, by a series of canons, into 

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