

560 



INDEX. 



Gravel yet unworked, between French Corral and North San 



Juan, 390. 

 at Iowa Hill, 119. 

 at Michigan Bar, 505. 

 at Moore's Flat, 403. 

 on North San Juan Divide, 206. 



near Placerville, 120. 

 near Smarts vi lie, 383. 

 yield of. See, yield of gravel. 

 Gravel Epoch, main features of, stated, 296. 

 Gravel Hill, near Bottle Hill, 108. 

 Gravel region, limits of, 55. 

 Grass Valley, Nevada County, 304. 



locality of implements in gravel, 277. 

 Grass Valley and Nevada City, exploration of region between, 



181-191. 

 Grass Flat, on divide between Slate and Canon Creeks, 456. 



Gray's Hill, near Gold Run, 148, 154. 

 Gravestone slates, 44. 

 Great Eastern Tunnel, 404. 

 Great Quartz Vein, 45, 46, 331. 

 Great Valley, topography of the, 2-4. 



large amount of gold buried there, 351. 

 Greenhorn Creek, topography at head of, 178. 

 Green Mountain Canon, 180. 

 Greenwood, seam diggings near, 115. 

 Gregory's Claim, near Oroville, 483. 

 Griffett's, Silas, Claim, in Devil's Basin, 93, 110. 

 Grit Claim, Spanish Dry Diggings, 85, 115. 

 Grizzlies, masses of rock so called, at Chips's Flat, 435. 

 Grizzly Canon, near Iowa Hill, 113. 

 Grizzly Canon, tributary of Oregon Creek, 431. 

 Grizzly Flat, at head of Cosumncs River, 86. 

 Grizzly Flat Mine, near Volcanovillc, 96. 

 Grizzly Hill, on North San Juan Divide, 395. 

 Grizzly Hill and Badger Hill, question whether there is any 

 deep channel between, 392, 393. 



Hague, J. D., his report on the gravels of the North San 



Juan Divide, quoted from, 196, 205, 373, 391. 

 Hangtown Hill, 86, 104. 

 Harpending Claim, 352. 

 Hathaway Claim, at mouth of Scotehman's Creek, 411. 



Hazelgreen Mine, 179. 



Hector, James, M. D., his views of the Sierra Nevada gravels, 



69. 

 Hendel, C. W., his views of the channels in Plumas and Sierra 



counties, 209, 210. 



map of Gibsonville and vicinity furnished by 



him, 450. 

 map of La Porte and vicinity, 445. 



Henderson Claim, near Placerville, 101. 

 Hepsidam and Gibsonville, grade of channel between, 451. 

 High gravels, as distinguished from river gravels, 66. 

 High Sierra, Southern, its topography, 8, 9. 



Middle, its topography, 9, 10. 

 Hippopotamus (?) fragment of tooth from Buckeye Tunnel, 



245. 

 analysis of, 245. 



rjittell, J. S., his views in regard to gravel, quoted, 72. 



quoted in reference to richness of claims at 

 Mokelumne City, 128. 

 Hog's Bank, near Damascus, 103. 

 Hook and Ladder Claim, near Placerville, 90, 99. 

 Hornby's Mine, near Deadwood, 93, 103, 106, 110. 

 Hotchkiss's Claim, serpentine near, 84. 

 Hot Springs, connected with silicification, 328. 

 Hornitos, vicinity of, a locality of implements in the gravels, 



261. 



Horse, fossil, remains of, found in California, 249, 250-258. 



Horseshoe Bend, locality of vertebrate remains and imple- 

 ments in gravel, 252, 261. 



Howland Flat, mines at, 457- 



Hubbard, R. I)., authority for discovery of implements under 



lava, 274. 

 Hubbard's Tunnel, at You Bet, 165. 

 Hubbs, Paul K., discoverer of fragment of human skull in 



gravel taken from under Table Mountain, 264. 

 Human remains and works of human hands, occurrence of, 



in auriferous gravels, discussed, 258-288. 

 Hungarian Hill, map of, 474. 

 Hungarian Hill Company, 217. 

 Hunt's Hill, 417, 419. 

 Hydraulic mining, defined, 61. 



conditions of successful, 298. 



methods of, unfavorable to discovery of 

 fossils, 260. 



Ice had no part in gravel phenomena, 295. 



Ice markings not visible on bed-rock surface, 337- 



Illinois Canon, near Georgetown, 84. 



seam diggings, at, 115. 

 Implements found in gravels, character of, 286. 

 Inez (Sta.) Range, structure of, 19. 

 Tndia, evidence of antiquity of man from, 285. 

 Indian Canon, near Iowa Hill, 87, 92, 113. 

 Indian Diggings, on Indian Creek, 87. 

 Indian Gulch, near Volcano, locality of diamonds, 364. 



limestone near, 87. 



locality of vertebrate remains, 



248. 

 locality of implements in gravel, 



262. 



Indian Hill, near Placerville, 101, 111. 



near Camptonville, 429. 

 Indiana Hill, 89, 144, 145, 417, 418, 421, 425. 



operations of Blue Gravel Mining Company at, 



161. 

 Indiana Hill and Quaker Hill, re-examination of region be- 

 tween, 416-426. 

 large deposits of uncovered 

 gravel between, 304. 



Independence Hill, 91, 103, 112. 



Infusorial beds, connected with white lava, 223. 



Infusorial deposits of the Sierra Nevada, 220-231. 



in Nevada, 226, 227. 

 Infusorial silica, origin of, 228-231. 

 Iowa Hill and vicinity, 89, 103, 105, 110, 119. 



channel at, 489. 



