INDEX. 



197 



Hague Arnold, Stratigraphical classification by 



Hague, -T. D., Testimony of 



: limbering on theComstock described by. 



ITambnrg mine 



Harkort ; on measurement of buttons 



Hematite 



Hcnwood, Description of lodes by 



: on value of galena in English ores 



Hillyer, Judge; in Richmond and Eureka lawsuit 



Hoosac mine 



Hoosac Mountain, Position of 



slag 



Hornblende-andesite, Occurrences of 



Horse, Definition of : 



Hunt, T. Sterry; Testimony of : 



Illustrations, List of 



Indications of ore : 



Industry mine 



Isandula shaft 



Jackson fault in Adams Hill 



named by Mr. Hague 



, Relation of the, to Ruby Hill fault 



Jackson Company, organization of the 



Jackson mine, Main fissure in the 



Jackson tunnel, Main fault in the 



James, I. E. ; Testimony of ; 



Kentuck mine 



Kerl, B. ; on loss by cupellation ] 



Keyes, TV. S., Testimony of ] 



King, Clarence, Testimony of ] 



K. K. mine, Main fissure in the 



owned by the Eureka Co 



Lawsuit between the Richmond and Eureka com- 

 panies 111,1 



Lead deposits of Missouri 



of the Upper Mississippi 



Lead, Determination of, in quartz-porphyry 137, ] 



, Different kinds of, as flux ] 



, Difficulty of obtaining pure 1 



in ores of Adams Hill 1 



oxide required in the slag 1 



product 



refining ] 



Leadhillite 



Lead ville, Ore deposits of 66, 



- Letter of transmittal 



Limestone, Amount of silver in the. ... 



, Assays of 82, 83, 84, 85, 133, 134, J 



, back, Assays of 134, 1 



, Description of 134,1 



, Broken and stained, as au indication of ore.. ] 



, Dolomitic, whether favorable for ore 



from 4th level of the Eureka, Assays of 1 



from Richmond mine, Value of ] 



from top of Ruby Hill, Value of 1 



, Front, assays of ] 



; barrenness accounted for 



, Characteristics of 



, Description of 



, in the Eureka 



in theK.K 



, Impregnations of, with ore 



, Manner in which the ore entered the 



, "Mineral " 



, Physical nature of the 1 



, Pseudomorphs of ore after 



Limestone, Pseudomorphs of pyrite after 101 



, Ratio of, to ore 81 



, Segregat ion of ore from the 87 



wedge, Ore taken from the 34 



Limonite 55 



Litharge, Action of bitartrate of potash on 130 



, Approximately pure, required ]21 



; bearing of silver in it on results 130 



, Best reducing agent for 124 



; contents in silver 123 



, Poor, how reduced at tho Richmond mine 164 



; process by which made 122 



, Purity of 120 



Little Cottonwood District 65 



Lode; applied to the Ruby Hill deposits 119 



, Miners' definition of 115, 119 



question, Differences of opinion in regard to Ill 



Luce &. Rozan process iqz 



Main fissure (Ruby Hill fault) 180,181 



at the American shaft 28 



, Detailed description of tho 27 



, Filling of the, in the Richmond 26 



, Influence of the, on the formations 182 



in the Eureka 30 



in the Jackson 27 



in the K. K 29 



in the Thcenis 29 



in the Richmond 31 



McCoy, Major ; early mining operations by 3 



Melting, Time and manner of, in assaying 124 



Malachite 58 



Manganese 59 



Marcasite , . 55 



Melville, Dr., Analysis of Ruby Hill ores by 62 



, Determination of pyrite in quartz-por- 

 phyry by 136 



, Separation of lead from gold by 137, 138 



Method of prospecting in Prospect Mountain 141 



in the mines southeast of the 



compromise line 139 



in the Richmond 140 



timbering in the Eureka 156 



Richmond 156 



Mimetite, Analysis of 53 



, Manner of formation of 54 



Mineral Hill, First workings at 56 



Minerals in Ruby Hill ; aragonite 56 



53 



; arsenopyrite 55 



; azurite 58 



; blende 55 



; calamine 66 



; calcite 56 



; cerussite 53 



; galena 52 



; gold 62 



; hematite 55 



; leadhillite 58 



; limonite 55 



; malachite 58 



; manganese 59 



; marcasite 55 



; mimetite 53, 54 



j molybdenite 55,58 



; nickel 69 



; oxide of lead 58,59 



