scHMECKEBiKR.l P()Wf:LL, AND WHEELER SURVEYS. 91 



Colorado, 8an Luis VuUey, agriculture iu II, Ann 4, pp 197-202 



San Luis Valley, cultivable areas in H, Ann 10, pp 328-330 



geology and topography of H , Ann 9, pp 140-149 



physical features of W, 187(5, pp 86-88 



San Miguel Mountains, geology of II, Ann 10, pp 193-195 



San Miguel region, physical features of W, 1876, pp 98-100 



Sangre de CVisto Range, geology of II, Ann 9, pp 108-139 



Sawatch Range, geology of II, Ann 9, j)}) 150-175 



section, geologic, in. (See Section, geologic, in Colorado.) 



Sierra El Late, geology of H, Ann 9, pp 272-274 



silver and gold mines of H, Ann 3, pp 87-89; H, Ann 1-3, pp 187-189 



silver mining in Georgetown district K, in, pp 589-605 



Snake River region, silver mines in K, in, pp 617-624 



Sneffels, Mount, ascent of II, Bull, vol i, ser 2, No 3, pp 193-199 



Sopris Peak, geology of H, Ann 8, pp 61-63 



South Park, fishes of Tertiary shales of II, Bull, vol i, ser 2, No 1, pp 3-5 



geology of H, Ann 3, 



pp 79-81; li, Ann 1-3, i)p 179-181; H, Ann 7, pp 36-39, 212-225 



topographic features of H, Ann 9, pp 419—131 



South Platte drainage basin, cultiva])le areas on H, Ann 10, pp 323-326 



Spanish Peaks, description of II, Bull, vol in. No 3, pp 551-552 



volcanic rocks of H, Ann 9, pp 131-136 



Spanish Peaks region, geology of W, 1879, pp 271-281 



spiders from, descriptions of two new H, Bull, vol in. No 2, pp 528-529 



springs near Colorado City H, Ann 3, pp 118-120; H, Ann 1-3, p]) 116-118 



stratigraphy and Pliocene vertebrate paleontology of northern H, Bull, 



vol I, ser 1, No 1, pp 9-28 



Tarryall Range, topographic features of H, Ann 9, pp 411-412 



temperature in, compared with eastern cities II, Ann 9, p 355 



Tertiary lake basin at Florissant II, Bull, vol vi, No 2, pp 279-300 



Tineinaof H, Bull, vol in. No 1, pp 121-142 



distribution of H, Bull, vol in, No 1, pp 147-150 



topographic map of. (See I\Iap, topographic, Colorado. ) 



triangulation in H, Bull, vol in, No 3, pp 706-728; H, Ann 10, pp 275-310 



Trinidad, astronomical determinations at W, ii, pp 289-312 



Trinidad region, geology of H, Ann 9, pp 192-207 



Uinta Mountains, geology of eastern portion of UM 



Uncompahgre Plateau, geology and topography of ...II, Ann 9, pp 40-43, 49-50 



LTncompahgre region, physical features of W, 1876, pp 95-97 



Vermillion Creek, ro(;ks exposed on K, i, pp 142-144 



Vermillion Creek Basin, geology of K, n, pp 225-227, 275-277 



vertebrate paleontology of II, Ann 7, pp 427-533 



water resources of western Kansas and eastern II, Ann 4, pp 448-452 



West Plum Creek, geology near H, Ann 3, p 40; H, Ann 1-3, p 140 



White River district, geology of H, Ann 10, pp 61-131 



topographical report on II, Ann 10, pp 349-357 



Williams River ^Mountains, geology of H, Ann 7, pp 189-192 



Yam pa Plateau, geology of K, n, pp 282-286 



structure of UM, pp 202-203 



Yampa River district, topographical report on H, Ann 10, pp 359-378 



Yampa Valley, geology of upper K, ii, pp 181-187 



Yampa Valley and Browns Park, geology of K, n, pp 222-225 



(See, also, Fortieth Parallel region. ) 



Colorado City, Colorado, geology between Denver and H, Ann 3, 



pp 37-46; II, Ann 1-3, pp 137-146 



