INDEX 



8G7 



Page. 



Dakota Celtaceous. Colorado Range 33 



(conglomerate), Ashley Creek 293 



Croydon 391 



HautzPiak... 173 



;^fortil Park... 118 

 Eawlin^s Peak 159, 1C3 



Ihe Needles... 337 



Como anticlinal 91, 92 



eastern foot-hills, thickness of 28 



ElkMouutain 149 



ferruginous s.=gregations in.. 40 



Flaming Gorge Eidge 264 



Tort Sanders 78 



Laramie Plains 78 



Mountain Dell Pass' 382 



North Park 115,127 



Parley's Caiion 372 



SLCtion in Colorado 41 



Sheep Creek 201 



tl)ickness.of 28,110,200,264 



Valley of Burnt Fork 259 



Vermillion Creek Valley 270 



Tampa Kiver 184 



Dale Creek, Colorado Eange, granite 12 



Dalton Peaks, Cortez Eange, Weber Quartzite 608 



Davis Peak, ParkEauge, gneiss 138 



liguid carbonic acid in 



quartz 138 



Deadman's Spring, Colorado Cretactous 261 



Vermillion Creek Eocene 2C1 



Dead Sea 437 



Deep Creek Valley 473 



andesite 475 



Humboldt Pliocene 475 



Deer Canon, rhyolite .' 590 



Mountain, chlorite in gneiss 101 



galrnet in gneiss 101 



Dclesijjte in feldspar-porphyry 828 



Density of water, Salt Lake 432 



DESATOYA MOUJSTALNS 644 



DibCHiPTiVB Geology of the eastern foot-bilis, ■ 



Colokado Eange 43 



Descmpt.ve Geology, (Uista) Mountain Eegion. . 254 



Desert Butte, rhyolite - 430 



terracelines 430 



tridymite in rhyolite 430 



Gap, lithophy S86 in rhyolite 519 



ihyolite 518 



Desert Eegion 462 



Devonian, F^ rest City, American Fork Canon 352 



limestone, Egan Eange 488 



Oquirrh Mountains 445 



Piflon Eange 556 



Tucnbits Mountains 524 



White Pine 544 



Devil's Slide described 391 



Diabase, Augusta Mountains 649 



Connecticut Valley '. 728 



DiabaseHills 811 



fragments in rhyolite 613 



Franklin Buttes 493 



Granite Mountain, Pah-TJte Eange 692 



Miner's Canon, Truckee Eange 810 



pyrites in 692 



Tntib Peak, Trnckee Eange 813 



Page. 



Diabase, West Humboldt Eange 716, 727 



Dial'.ageiu gablro ^ 13 



Diamond Ai>D P.NON Eanghs 549 



Diamond fraud of 1672 2-5 



Dian.oud Peak, Upper Coal-Measure limestone 272 



Diamond Eange 549 



ChoknpPass 549 



geological structure 549 



EailroEd Canon 549 



Galley salt-fields 5^0 



Dihexihedral quartz in dacite 620 



rhyolite 695,697 



Dinosaur in Colorado Cretaceous 296 



Diotite, Agate Piss.=, Cortez Eange 573 



American Fork Caiion, Wahsatch Eange . . . 361 



Battle Mountains 672 



Bingham Csuon, Oquiirh Eange ....* 451 



Chataya Peak, Pah-tJte Eange 699 



Dun Glen Pass, Pah-TJte Eange 710 



French Cretk 100 



Havallah Eingo 683 



Kamma Mountains 786 



Kawsoh Monctains 772 



Melrose Mountain, Wachoe Mountains 478 



Montezuma Eange 756 



Mount Davidson, Washoe 825 



New Pass Mountains 646 



Pah-UteEange 696 



Kavenswood Peak 638 



(schists), Bennett's Peak 99 



Cedar Mountain 101 



K verBuite 99 



Shoshone Peak 621 



Soldier Spring Valley 657 



Spruce Mountain 510, 5 11 



Taylor Creek, Seetoya Mountains 607 



Tenabo Peak, Cortez Eange 571 



titanito in y. '622,699 



Truckee Canon 832 



Dixie Valley, Green Eivcr Eocene 562 



Lower Coal-Measnre limestone 562 



trachyte 559 



Dixie Group Eegion 502 



Dolerite, Black Eock Mountains 794 



Kamma Mountains 787 



Watcb Hill, Elkhead Mountains y>t 



Dolphin Island, Salt Lake 465 



Dondon Pass, Gosi-TJte Eange 505 



Dome Mountain, altitude Ci9 



described 629 



Douglas Creek, gold-placers 109 



Drifting sands, minute shells in 818 



Dry Caiion, Sub-Caiboniferous 445 



Waverly 446 



Dryness of climate, Salt Lake Eegion 431 



Dun Glen Pass, diorite.. 710 



gold in Triassic 712 



Star Peak Triassic 710 



Duchesne Fork, glacial canon 312 



Duff Cieek, limestone west of 420 



East branch Duchesne Fork, glaci al erosion 303, 310 



section of Mesozoio . . . 303 



Canon Creek 380 



Colorado Cretaceous 383 



