INDEX. 



559 



Gold, character and size of, in Niagara Consolidated Co.'s 



Mine, 451. 

 at Paragon Mine, 114. 

 at Pittsburgh Hill, 430. 

 in Polar Star Mine, 424. 

 at Quaker Hill, 425. 

 at Quigley Ravine, 475. 

 at Relief Hill, 405. 

 at Ruby Tunnel, 438. 

 at Sailor Flat, 413. 

 on Slate Creek, 451. 

 at Smith's Point, 114. 

 at Specimen Claim, 114. 

 at Sterrett's Claim, 114. 

 in Tuolumne Table Mountain. 



136. 

 in Van Emmons's Claim, 114. 

 in Weske's Claim, 114. 

 at Wiessler's Claim, 113. 



fineness of, at Badger Hill, 473. 



at Bald Mountain, 437. 



at Brandy City, 462. 



in Camptouville District, 432. 



on Canon Creek, 459. 



in Cariboo Diggings, 158. 



at Cedar Claim, Gold Run, 149. 



at Cherokee Flat, 483. 



between French Corral and N. S. Juan, 



389. 

 at Mauzanita Hill, 389. 



at Monte Cristo and vicinity, 466. 



at Morristown, 459. 



on Mumford Hill, 477. 



at Niagara Consolidated Co., 451. 



from Red Ledge, near French Corral, 390. 



near Smarts ville, 193. 

 fine richer than coarse, 114. 

 forms of, discussed, 360. 

 forms of in quartz, 357- 



last formed of the metals, according to Murchison, 356. 

 irregularity of its distribution in the gravel, 351. 

 loss of, in washing, estimated, 193. 

 in quartz, mostly invisible, 357- 

 source of, and distribution in gravel, 350-361. 

 on surface, at Pittsburgh Hill, 431. 

 widespread occurrence of, how accounted for, 361. 

 why collected on bed-rock, 516. 

 yield of. See, yield of gravel. 

 Gold Hill, Placer County, implements in gravel, localities of, 



277. 

 Golden Gate Canon, 108. 

 Gold Run, 146-148, 152. 



Gold Run Ditch and Mining Company, 161, 421. 

 Gold Run, Dutch Flat, and You Bet districts, changes in 



since 1870, 416. 

 Gold Springs, near Columbia, implements in gravel from, 



262. 

 Cold Springs Gulch, implements in gravel from, 263. 

 Goodyear, W. A., field of his explorations, 79-83. 



Gopher Hill, near Sailor Flat, 413. 



Gopher Hill, at Spanish Ranch, 472. 



Gopher Hills, near Copperopolis, bed-rock at, 121. 



Gore Tunnel, at Forest Hill, 111. 



(ioshen Hill, 183. 



Grade of channel, at Bald Mountain, 437. 



steepness of at Dutch Flat, 418. 



small, between Dutch Flat and Indiana 

 Hill, 418. 



between Hepsidam and Gibsonville, 452. 



near La Porte, 446. 



on North San Juan Divide, 386, 401. 



between Malakoff and Badger Hill, 392. 



beween Omega and Relief Hill, 408. 



near Smartsville, 380. 



near Woolsey Flat, 400. 

 Grades, relation of, in Pliocene and present rivers, 344. 

 Granite, boulders of, at Bath, 497. 



of Coast Ranges, 20. 



connected with metamorphism, 353. 



dome-structure of, 33. 



at Eureka, 407. 



of Fresno County, character of, 43. 



not the metalliferous rock of the Sierra Nevada, 353. 



partly mctamorphic, 506. 



of Sierra Nevada, 31, 33, 506. 



surface of at American Hill, 387. 

 Granite Hill, near Placer villc, 111. 



(J ravel, at high altitudes, on Fall Creek and Grouse Ridge, 408. 

 association with volcanic, 308. 

 formed from bed-rock, richer in gold than the present, 



351. 

 blue, its mode of occurrence, 509. 

 chemical action in, since deposition, 519. 

 has been .chemically acted on from below, 330. 



of Coast Ranges, 22, 23. 



not auriferous, 54, 300. 

 color of, resembling that of underlying bed-rock, 520. 

 disturbances of, in recent times, 348, 447, 457, 473, 



474. 

 protected from erosion by volcanic capping, 309. 

 how far up the Sierra they extend, 526. 

 geological age of, discussed, 314-321. 

 not the work of glaciers, 508. 

 lithological character and peculiarities of, 321-333. 



not of marine origin, 73, 508. 



methods of washing it for gold, 58, 59. 



mode of its accumulation, 512. 



of northern counties, 55. 



peculiarities of, at Gregory's Claim, 483. 



quartz vein in, 330. 



red and blue, between French Corral and North San 



Juan, 387. 

 silicifieation of, 327- 



v 



thickness of, on North San Juan Divide, 202, 388. 



inferences from, as to character of streams 

 at time of its formation, 343. 

 uncovered, on North San Juan Divide, 199. 

 uniformity of, at Indiana Hill, 421. 



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