INDEX. 507 



Page. 



Table of Bridger group 149 



Fort Union group 141 



.Green River group 147 



relations of fossil plants of Point of Rocks 286 



subdivisions of Tertiary of Europe 284 



Wasatch group 147 



White River group . 150 



Wind River group 148 



Tables of Tertiary strata 23, 151 



Tennessee Pass 46, 47, 52 



Teocalli Creek , 70 



Mountain 70,419 



Terraces s 161 



Tertiary flora of North American Lignitic as evidence of the age of the formation 275 



fossil plants, new species of, described 308 



strata 140,156 



tables of 23,151 



Timber in modern geological times 265 



Topography and geography 411 



Topographical report of S. B. Ladd. __ 435 



San Juan country 451 



Tousland. «. - 33 



Trachorheites 163,168 



Trachytes 163 



classification of 195 



Trails 428 



Treasury Mountain „ 65, 459 



Triassic flora 283 



group 42 



strata 70,97,105,121 



of Eagle River 122 



Grand River 123 



Gunnison River 123 



sections of 122 



U. 



Unaweep Canon 94, 104 



Uncompahgre Peak 204, 452, 453 



River 94,103 



rate of fall of - 446 



Valley... 424,453 



Upper Cretaceous 137 



sections of 137, 138 



V. 



Vallecito Creek 216 



rate of fall of 446 



Vegetable organisms of uncertain affinity 363 



Vegetation, distribution of , 428 



Volcanic area, San Juan district 193 



rocks 219 



W. 



Wagon Wheel Gap 199 



Wasatch group 147, 158 



range 45 



Washakie group , 146 



Water-resources of Nebraska 263 



West Elk group 65 



West, H. T., appendix to chapter 2, report of F. V. Hayden 38 



White Earth Creek 202 



River 437 



barometric base 436 



group 24,25,150 



fossils of 25 



plateau 437 



Rock Mountain 55,66,70,419 



