CENTEAL AND EASTERN NEVADA. 405 



and his successor, R. W. Raymond, esq., United States Commissioners of 

 Mining Statistics. 



Eureka District. — Lying farther north, and about 60 miles east of Austin, 

 is the Eureka District, organized several years ago, partly prospected and again 

 abandoned, until lately, when a fresh impulse was imparted to the region by the 

 White Pine developments. This district was visited by the writer in 1868, when 

 the developments visible were not sufficient to indicate much of the nature or 

 extent of the deposits. The district at that time was entirely deserted, and 

 but little definite information was available concerning the history of the work, 

 the quantity or value of the ore obtained. The ore there, consisting chiefly of 

 argentiferous galena, was found in limestone, occurring in bunches or pockets, 

 of which the limits were not easy to make out. During the past year work has 

 been resumed and valuable deposits of good ore are reported. About 50 men 

 were said to be at work there and several small smelting furnaces were in 

 operation. It is said that the galena is less abundant in depth, the ore chang- 

 ing into silver-bearing minerals of richer character, and better adapted to 

 roasting and amalgamating processes. 



CoRTEZ District.^" — The Cortez District is north and a httle east of Austin, 

 about 65 miles distant from that town. It is in the northern end of the Toyabe 

 range of mountains. The district embraces ten miles square, having the sum- 

 mit of Mount Tenabo in the center. It is 24 miles south of the Pacific railroad. 

 The first discoveries of mineral wealth in this locality were made in 1862 by 

 parties from Austin, who located claims and organized the district soon afler. 



The principal veins of this region occur in and near a massive belt of 

 pure white quartzite, 450 feet thick, which is inclosed by limestone, and 

 crops out near the summit of Mount Tenabo, striking north and south, and 

 dipping to the east at an angle of 38° from the horizon. The vein of the 

 Mount Tenabo Company, which was one of the earHest and most important 

 discoveries, strikes east and west, and dips to the north at an angle of 82° from 

 the horizon. In the quartzite the vein has very well defined walls, each of 

 which canies a clay-seam 3 or 4 inches thick. The vein is about 5 feet wide. 



1 From notes furnished by Mr. Arnold Hague. 



