GENERAL INDEX. 



Page. 



Abra 460 



Acemularia 415, 416 



Agitators 229 



Agriculture in Colorado 480 



Air-blast in mines 131 



Air-boxes in Comstock mines 133 



AUen, O. D., cited 167, 413, 420, 473 



Allen, mining claim on Comstock . . 99 



Allen coal mine 468, 469 



Alpha mine, on Comstock 41, 99 



Alpha mine, Humboldt County 314 



Altitudes of points in the Virginia 



Eange 16 



Altitudes of Carson Plain 16 



"Washoe Plain 16 



points in the Toyabe 



Eange 347 



Alveolites 415 



Amalgamation in Washoe 196, 197 



in barrels 266 



works atGeorgetown 609 

 of slimes in pans . . . 253 



of taUings 261, 262 



American Mining Company, at Aus- 

 tin 375 



American Flag lode, Colorado 524 



Analysis of andesite 90 



iron ore from Marshall 



mine 483 



Kentuck ore, Comstock 



lode 80 



lignite from Marshall 



mine 483 



Analysis of Montezuma ore (Nevada) 299 



Page. 



Analysis of propylite 90 



Savage ore 80, 274 



White Pine ore 420 



Anclmra 459, 460, 461 



Andesite 18 



of the Virginia Eange 30 



its relations to propylite. . 31 



its composition 32 



comparative age of, as re- 

 ferred to trachytes and 



propylites 33 



analysis of 90 



Andrew, claim on Burroughs lode . 532 



Apple and Bates, claim on Comstock 99 



Arabia district, Nevada 300 



Arctic Company, Cortez district.. 407 

 Argentine lode, near Georgetown, 



Colorado 600 



Argentine district 602 



Ariculopecten 417 



Arizona lode, at Belmont 400 



Arizona mine, Humboldt County, 



Nevada 310 



Assaying at the Savage mine 239 



Assessments of leading mines on 



Comstock 187, 191 



Ashburner, William, cited. . 457, 470, 473 

 Astor lode, near Georgetown, Colo- 

 rado 603 



Astor lode, value of its ores 612 



Atchison mill, results of working 



tailings 259,260 



Atlanta mine, at Belmont, Nevada, 400 



Athyris 417 



