STATE AGRICULTURAL SOCIETY. 113 



Cumberland District, Esmeralda County, Nevada Territory : 



Vein three feet thick, dip thirty degrees west, course nearly northeast 



by southwest. There are large numbers of veins within an area 



of two miles square; formation, sandstone, slate, and gypsum; 



specimens thirty feet from the surface; distance from Aurora, 



sixteen miles. 

 Specimens of coal. 



Eough Creek, Esmeralda County : 



Vein twenty-three feet thick; course nearly northeast by south- 

 west. There are two other veins within the distance of half a 

 mile of the coal field. The vein outcrops to a height of five 

 hundred feet above the bed of the creek ; distance to Aurora, 

 thirteen miles. 



Specimens of iron. 



Esmeralda County: 



Specimens of gypsum. 



Kundler's Quarry, Esmeralda County; 

 Specimens of building stone. 

 Specimens contributed by F. Garesche. 



Hank Schram Lode : 

 Specimens of tin. 



Fifteen miles from Aurora, near Mono Lake. 

 Specimens contributed by F. Garesche. 



Volcanic rock, taken from the waters of Steamboat Springs, Nevada 

 Territory. 

 Specimens contributed by Mrs. L. Frinck. 



Cow Creek Silver Mines, Shasta County: 

 Specimens of silver and lead ore. 

 Specimens donated by M. D. Bauni. 



Cement rock, from the Benecia Cement Company. 



Apache Chief Mine, La Paz, Arizona : 



Specimens of native silver and copper. 

 Specimens contributed by Alonzo Margison. 



American River, Placer County : 

 Specimens of alum. 

 Specimens contributed by H. A. Dana. 



Galena District, Nevada Territory : 

 Specimens of lead ore. 



Humboldt, Nevada Territory : 

 Specimens of sulphiir. 



COPPER MINING IN CALIFORNIA. 



It was known before the gold discovery that there were mines of cop- 

 per ores in some portions of the State, but until a very recent period it has 

 never been suspected that mines of this metal were distributed all over the 



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