876 



INDEX. 



Page. 



Iron in Laramie Cretaceous 233, 234, 279 



Mountain, Laramie Hills 14 



granite 12 



ore, Palisade Caiion 586 



Iridescent lines on fossils , 83 



Jack's Creek, North P„rk Tertiary 166 



Jacob's Pkomo.ntouy 641 



augite-andesite 641 



basalt 642 



rhyolite 642 



trachyte 642 



Jamesonite 631,759 



Jasper in Niobrara Pliocene 71 



rhyolite 843 



Job's Creek, Truckee Miocene 641 



Jones' Pass, altitude 258 



JOEDAN Valley 439 



Quaternary, thickness of 439 



Junction Peak, structure 280 



Weber Quartzite £81 



Juncus Balticus 747 



nodosns 747 



xyphioides 747 



Juniperus Virginiana 195 



Jurassic, Antero Caiion, Uinta Range 299 



Ashlej' Creek, Uinta Eange, section of 293 



Augusta Mountains 656 



Black Butte, thickness of , 739 



Burnt Fork Valley, Uinta Eange 259 



Como Kidge, thickness of 91 



eastern foothills, Colorado Range, thick. 



nessof 28,38 



Elk Mountain 149 



Emigration Caiion, synclinal in 371 



Eugene Mountains 740 



Flaming Gorge Ridge, thickness of 864 



i'OKMATION OF THE COLOBADO RANGE 37 



Hobble's Caiion 315 



Inskip Caiion, Pah-Uto Eange 710 



Lake Range 614 



Laramie Valley 81 



limestone, eastern foothills, Colorado Range 58 



Laramie I'lains 78 



Shoshone Springs 656 



West Humboldt Eange 727, 732 



Lily's Park 281 



Montezuma Eange 755,761 



North Park 115 



Obelisk Plateau 294 



Peoria, Utah 332 



Sawmill Creek, Wahaatoh Range 257 



Sheep Creek, Uinta Range 262, 263 



slates. Lander Sprang, Kamma Mountains. 788 



Pah-supp MountaiLS 802 



Uinta Range, thickness of 200 



valleys of erosion 55 



Weber Canon, Wahsatch Range 390 



Winnemucca Peak 738 



Yampa River 183 



Kamma Mountains 786 



andesite 787 



dacite 787 



diorite 786 



PaKe. 



Kamma Mountains, dolerite 787 



Jurapsic slates 788 



rhyolite 788 



Truckee Miocene 790 



tufa deposits 790 



Kamas Prairie, Weber Quartzite , 310 



Kawsoh Mountains 766 



basalt 772,774 



diorite 772 



Hot Springs . . .' 773 



trachyte 772 



Karnak, Montezuma Range, rhyolite 761 



carrying gran- 

 ite 762 



Kerargyrite 731 



Kern Ridge, Uinta Eange 3)4 



Kinsley District, Archaean body 483 



granite porphyry 483 



Koipato Triassic, Fish Creek Mountain*... 661 



metamorphism in '. 718 



Spaulding's Pass, Pah-Ute Range. 708 



thickness of 644,719 



West Humboldt Range. . . .716, 719, 728, 733 



Kumiva Peak, Sah-wave Mountains, altitude 804 



Labradorite in gabbro, Laramie Hills 13 



Labradorizing feldspar in rhyolite. Pine Nut Caiion. 701 



Lake Bonneville 341 



terraces 401,417, 



418, 421, 427, 430, 441, 454, 460, 473 



Fork, Uinta Range 302 



La Hontan terraces, Carson Desert 746 



Humboldt Valley 741,742 



Mud Lake Region 792 



Pyramid Lake 822 



Truckee Valley 818 



Marian, East Humboldt Range. 537 



Range 814 



Archaean 814 



basalt 815 



granite 814 



Jurassic 814 



Region 431 



Lander Spring, Jurassic slates 788 



Landing Rocks, Salt Lake, Archeean 425 



Lakeside Mountains 465 



Lara,mie, altitude of town 73 



Cretaceous, Black Butte Station 231 



coal in 61,62,64,146,164, 



230, 231, 232, 233, 234, 270, 279, 320, 337 



Coal Mountain 279 



described , 60,201 



Evanston 330 



iron ore in 233,234,279 



Little Snake River 187 



Medicine Butte 330 



Point of Rocks Station 232 



Saint Mary's Station 148 



Separation Peak 157 



Station 164 



thickness, eastern foothills, 



Colorado Range 28, 60 



Vermillion Creek Valley 276 



Washakie Basin 208 



white sandstone in 63 



