INDEX. 507 



Page. 



Table of Bridger group , , 149 



Fort Union group s. 141 



Green KiTer group 147 



relations of fossil plants of Point of Kocks 286 



subdivisions of Tertiary of Europe 284 



Wasatch group 147 



White Eiver group 150 



Wind Eiver group 14S 



Tables of Tertiary strata 23, 151 



Tennessee Pass 46, 47, 52 



Teocalli Creek .' 70 



Mountain 70, 419 



Terraces 161 



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



dossil plants, new species of, described 303 



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 Eiver 122 



Grand Eiver 123 



Gunnison Eiver 123 



sections of , . , 122 



U. 



Unaweep Caiion 94, 104 



Uncompahgre Peak 204, 452, 453 



Eiver 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 I99 



Wasatch group '...'.' '.".'."".' 147,158 



range 45 



Washakie group 24g 



Water-resources of Nebraska 263 



West Elk group g5 



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



White Earth Creek i. . , 202 



Kiver [\ll\\ll\[[[l""'. 437 



barometric base 43(3 



group ."."!!. "24, 25, 150 



fossils of 25 



plateau '.'.'." 437 



Eock Mountain .'"i.'.".""-.".'.'55,"66,70,419 



