644 



IHDEX. 



Page. 



Stamp mills, shoes 210 



tappets 211 



guides 212 



cams 212 



cam shaft 214 



arrangement of cams 



on shaft 214 



method of hanging up 



stamps , 215 



number of stamps in 



battery 215 



weight of stamps . . 196, 215 



speed of stamjis 215 



fall of stamps 206, 215 



capacity of stamps . . . 216 



water consumed iu 216 



power required by 231 



in Colorado 548 



of Gilpin County, Col- 

 orado, tabular state- 

 ment concerning. 574, 576 

 Star district, Humboldt County, Ne- 

 vada 310, 314 



Star City 315 



Steam iu pans 198 



Stems for stamps 209 



Steptoe Yalley 445 



Sterling mine 501 



Stetefeldt's furnace 270 



Stetefeldt, C. A 350 



Stewart, Samuel 310 



Stewart, J. O 606 



Stewart's mill. 609 



St. Johns, on Bear Creek, Colorado . 617 



St. Louis Company, Cortez district. 407 



Stoping in Oomstock mines 109 



Stopes, timbering of 112 



filling of, with rock Ill 



Stretch, E. H., cited 15, 80, 98, 99 



Pago. 



Structure of the Toyabe Eange . . . 325 



Sugar Loaf, its rocks 34, 35 



Summit CaSou, Toyabe Range 343 



Summit and Nevada mine 432 



Summit lode, Colorado 603 



Sutro tunnel 163 



Syenites of the Virginia Eange 21 



composition of 22, 23 



masses of, in the Corn- 

 stock 68, 69 



Syringopora , 323, 416 



Tailings at Washoe. 205 



Tailing reservoirs 261 



TaUings, treatment of 252 



concentration of 258 



roasting of 580 



amalgamation of 261 



value of 261 



cost of working 263 



product derived from 246 



product of, in Savage mill . 236 

 of Colorado gold ores, 



treatment of 563 



assayed by Professor Hill . 562 

 assayed by A. von Shultz . 563 

 value of blanket tailings. 564 

 value of concentrated tail- 

 ings 565 



Tallulah 316 



Tappets in Nevada stamp mills 211 



Telegraph Peak 414 



altitude of 411 



Tellina 459, 460 



Temperature of Comstock lode 84 



waters in the Com- 

 stock ■- 51 



Terrible mine, Colorado . - 591 



value of its ores 612 



