888 



INDEX 



Valleys of erosion in Jurassic 



or THE Tampa akd Little Snake Kivees . . 



Van Dyke Coal Mine 



Vegetation of Nevada valleys 



Vermillion axd Red Creek Basins 



Bluffd, section of Gretn Eiver Eocene . . 



Vormillion Creek Eocene 



"Wyoming, Conglomerate 



Creek Cafion,of Upper Coal-Measures. 

 Wyoming Conglomerate. 



Eocene, age of 



Aspen Plateau 



Bear Eiver Plateau 



bird bones in 



Black Butte Station 



City Creek Canon 



Deadman's Spring 



Elk Gap 



Elkbead Mountains, west 



base 



Green Eiver Baein, de- 

 scribed 203, 



Henry's Eork Basin 



Hnntsville, south of 



Little Muddy Creek(east) 



Morgan Valley 



movement in 



wi-yu-kuts Plateau 



Eed Creek (head) 



Vermillion Bluffs 



Ceekk Valley 



Colorado Cretaceous 



Dakota conglomerate . . . 



rox Hill Cretaceous 



Laramie Cretaceous 



Permo-Carboniferous ... 



section of Mesozoic 



Vertebrate remains in Truckee Miocene 



Viegikia Eange 



andesite 



Astor Pass, trachyte 



augite-andesite 



basalt 810, 811, 828, 831, 



Berkshire Canon 



dacite 



diorite 



geological structure 



melaphyr 



Mullen's Gap 



prop^ita 



Purple Hills 



quartz-propylite 



rhyolite 831,834,841, 



Sheep Corral Canon 



trachyte 832, 833, 837, 



breaking through rhyolite. 



Truckee Canon 



■Volcanic Eegion South of TeixittPeak 



EocKS, Green Eiver Basin 



NorthPark 



Pinon Eange 



Wachoe Mountains . 



age of granite . . 

 augite-andesite . 



Page. 



r.5 



181 

 234 

 471 

 225 

 221 

 221 

 221 

 274 

 277 

 329 

 337 

 338, 415 

 226 

 213 

 375 

 261 

 220 



187 



239, 250 

 265 

 419 

 209 

 381 

 203 

 225 

 226 

 221 

 275 

 276 

 276 

 276 

 276 

 275 

 275 

 631 

 804 



830, 841 



. 848 



830 



836, 844 

 839 



839, 842 

 833 

 625 

 839 

 844 



838, 840 

 833 

 844 



846, 847 

 837 



841, 848 

 835 

 827 

 759 

 236 

 119 

 558 



476 

 478 

 480 



"Wachoe Mountal\s, granite 



rhyolite 



"Wagon Caiion, Cortez Eange, andesite 



dacite 



sanidin-traebyte . 

 Weber Qaailzite. 



Wahlbach Springs, Laramie Hills, position 



Page. 

 476 

 482 

 584 

 584 

 580 

 580 

 7,52 



Wahsatch limestone, anthracite in 599, 604, 619 



Box Elder Peak 404 



Castle Peak Wachoe Mountains. 478 

 Hot Springs, Salt Lake City... 374 



Lewiston, Oquirrh Mountains . 447 



Lion Hill, Oquirrh Mountains . 447 



Little Cottonwood Canon 302 



Logan Canon, synclinal 406 



Mahogany Peak, Egan Eange . 487 

 MorganPeak, WahsaicnEange 384 

 Mount Horeb, Ibenpah Moun- 

 tains 473 



Pelican HUls, synclinal 442 



Pilot Hock, Skull Valley 460 



Eeynold's Pass, Aqui Moun- 

 tains 457 



Sacred Pass, East Humboldt 



Eange 539 



Tucubils Mountains 524 



Z-contorlion in 380,400 



. Eange 340 



Archaean 357, 358, 377, 395, 396, 402 



Cambrian . 306, 377, 380, 338, 403, 409, 412, 413 



diorite 361 



faults in 345, 346, 347, 352, 393, 402, 403 



foothill section 368 



granite 355, 357, 360 



granite-porphyry 361 



Huronian 37B 



Laurentian 377 



physical description of 340 



relation to TJinta Eange 316 



section of Palaeozoic strata. . .343, 346, 385, 



398, 405 



staurolite in Archsean 358' 



syenite-porphyry 360, 365 



thickness of Cambrian 366,398 



conformable strata . .341, 370, 412 



Huronian 378 



Ogdeu quartzite 364, 400 



Wahsatch lime3tone.375, 386, 400 



TTte limestone 364,399,410 



trachyte 316, 317, 318, 375, 381, 382, 384 



TTte limestone 364, 377,399, 405, 410 



Waverly beds , 365,400,406 



566 



Wah-weah Eange 



granite 



quartz-trachyte 



trachyte 



Washakie Basin 



Bridger Eocene 



erosion 



Laramie Cretaceous 



Mountain, Wyoming Conglomerate 



Watch Hill, Elkhead Mountains, dolerite ■ 



Waverly limestone. Dry Caflon 



Little Cottonwood 



Logan Canon 



566 

 568 

 507 

 207 

 215 

 210 

 208 

 209 

 177 

 '440 

 3C5 

 40C 



