636 



INDEX. 



Page. 



Hale and IJforcross, mining costs of 



152, 154 



works of 137 



Hall, surveyor at White Pine 410 



Hall mine 470 



Hamilton, White Pine district 409 



altitude of 411 



Harris lode, Colorado C02 



Hayden, F. Y., cited. 9, 452, 457, 404, 480, 



481 



Hawk-eye horse 68 



Heads of stamps 209 



method of attach- 

 ment to stem.. 210 



Helmick tunnel, Colorado 603 



Henderson's mill at White Pine 437 



Hepburn and Peterson, pan 218, 222 



Herrick, J. T., cited 606, 608 



Hidden Treasure mine, White Pine, 



419, 431 



Highbridge 396 



Hill, Professor N. P., cited. .... 493, 562 



Hoisting cables 138 



cages in Comstock mines 118 

 safety attachment 



of 119 



contrivances in Colorado 512 

 and i)umping works on 



Comstock 133 



works in North Star mine, 



Colorado 526, 528 



machinery of Bobtail mine, 



Colorado „ 500 



HoUister, O. J., cited 487, 491 



Hope mine 189 



Horn, C. P., cited 350 



Horn's pan 219, 226 



Horn silver, occurrence of in Corn- 

 stock 82, 92 



Page. 



Horses in the Comstock lode 68 



Ophir mine 70 



of propylite, analysis of. . . 89 



silica in 90 



Hot springs, region of in the vicinity 



of the Comstock lode 28 



Hot springs in Smoky Valley 323 



Huepeden & Company, Georgetown, 



Colorado 606 



Huepeden & Company, works of . . 610 



cited . . . 611, 612 

 product of 



works . . . 612 



Humboldt mining districts, age of. 6 



Humboldt, Alexander, cited 289 



Humboldt district 310 



Hunter's concentrator 260 



Hunting-ton lode, Colorado 698 



Hurlbut, Mr., cited 372 



Hussey, Warren & Co., bankers 554, 587 



Iceberg mine, White Pine 432 



Illinois lode, Colorado 524 



Imperial, mine on Comstock 99 



operations of 178, 179 



mining costs of. . 152, 158 



Indiana lode, Colorado 639 



Indicator, used in hoisting at Savage 



mine 141 



Inoceramus 459, 460, 461, 462 



International lode, Colorado 602 



Iron in Colorado 481 



ore from Marshall's mine 483 



consumption of in Washoe mUls 290 



Jauin, Louis, jr., cited 97 



Janin's mill for working slimes 254 



Janin, Messrs., cited 256 



Janin and Baldwin's mill. . . ; 262 



Janin, Henry, cited 457, 470 



