512 
INDEX. 
Page. J 
Prince Albert mine, description of. 358-361 
geology of. 359 
location of. 5,148,358 
minerals in. 360 
ore body in. 209 
sections of, figure showing. 208 
ore of.-. 360-361 
analysis of. H7 
rocks in. 35 
veins of. 165,360-361 
w r ater in. 361 
workings on. 358 
Prince Albert Mining Company, mine of. 358 
Princess Alice Gold Mining Company, mine of. 379 
Princess E. claim, location of. 331 
Prior, G. T., and Smith, G. F. H., on calaverite. 116 
Production, future of. 9,231-232 
value of. 4,133,134-135 
See also particular mines. 
Progress workings, rocks in. 293 
Proper vein, character of. 272,273 
Prospect mine, minerals in. 122 
Protection claim, location of. 298 
Providence shaft; location of. 488 
Psilomelane, description of. 123 
occurrence of. 4,114,287 
Pueblo mine, description of... 403 
Pumping, beginning of. 133,234 
effect of. 239-242 
records of...... 9-10 
Puzzle vein, minerals in. 120,121,122,127,174,178 
Pyrite, description of. 120 
occurrence of. 4, 47, 77, 86, 98, 100, passim 174-493 
oxidation of. 200 
Pyroxene, description of. 128 
occurrence of. 53,73,85,86,89,95,185,322,384 
Q. 
Quartz, description of. 123,181 
fluid inclusions in. 181 
occurrence of. 4, 6, 44-54, 77, passim 114-493 
R. 
Raaler claim, vein of. 356 
workings on. 355 
Railroads, construction of... 4,132,133 i 
Ramona No. 2 mine, description of. 363-364 
dike in. 363-364 
ore of. 364 
workings of. 363 
Ramona vein, location and description of.211,363 
Ransome, F. L., work of. 14,42 
Raven dike, location and character of. .. 332,335-336,337-338 
Raven Hill, drainage of. 235,244 
mines on. 148,314-349 
view of. 292,332 
rocks of. 35,147 
south slope of, mines on. 5,314 
mines on, view of. 332 
view from. 350 
Raven mine, location of. 531 
minerals in. 126 
ore from, analysis of. 117 ! 
Raven tunnel, dike in. 96 
Raven vein, location and description of... 332-333,338 
Rebecca Gold Mining Company, mine of. 272 
Red Mountain, mines on. 280-281 
rocks of. 47,281 
\ 
Page. 
Red Rock shaft, rocks in. 30 
Red Spruce mine, description of. 306-308 
ore from. 171,307-308 
rocks in. 306-307 
veins of. 307-308 
workings in. 306 
Reduction, costs of. 145-146 
processes of. 4-5,138-140 
Reed Investment Company, property of. 370 
Replacement deposits, occurrence of.6,153,195 
Republic claim, location of. 322 
workings on. 322 
Requa, B. F., development by. 130 
Revenue mine, ore bodies in. 212 
Revenue vein, location and description of ... 426,427-428,429 
Rhodochrosite, description of. 124 
occurrence of. 4,114,169,174,178,303,307,108 
Rhyolite, age of. ICO 
association of grits and. 2,100-101 
description of. 100-101 
occurrence of. 19,100 
origin of.56-57 
petrology of. 100 
Rhyolite-Beacon Gold Mining Company, shafts of... 279-280 
Rhyolite Mountain, geology of. 279 
minerals on. 123 
mines on. 280 
prospects on. 151,279-280 
rocks of. 20,34,57,97,279 
view of. 18,280 
Rickard, T. A., on chlorination. 140 
on discovery of gold. 130-132 
on gypsum.. >. 284-285 
on Independence mine. 450 
on sylvanite. 116 
Rigi dike, location and description of.: 381 
Roanoke shaft, location and description of. 271 
Rock,'A. M., work of. 14 
Rocks, composition of, diagram showing. 112 
description and petrology of. 41-113 
divisions of. 3,42-43 
investigation of. 41-42 
oxidation of. 197 
photomicrographs of. 60,82,94 
See also Metamorphic rocks; Igneous rocks. 
Roscoelite, description of. 128 
occurrence of. 4, 
114,115,128,169,174,184,185,194,328,329,339 
Rose vein, location and description of. 439,440-441 
Royalties, amount of. 5 
Rubie mine, location and description of. 379 
ore bodies in. 211 
vein in. 382 
Rutile, description of.?. 123 
occurrence of. 55,114,184,188,190 
S. 
Sacramento mine, production of. 380 
Safety shaft, rocks in. 29,495 
St. Patrick mine, view of. 34 
water level in. 240 
change in, figure showing. 242 
Sampling, cost of.•. 138 
employment of. 4,138 
plants for, list of. 138 
process of. 138 
Sanidine, occurrence of. 100 
