scHMECKEBiER] POWELL, AND WHEELER SURVEYS. 107 



Fissure of Comstock lode, Nevada K, iii, pj) 04-68 



Flaming tiorge group, exposures of UM, j> 51 



Fletcher (R.), on prehistoric trepliiniim and cranial aninlctw Eth, v 



Flora. (See Plants.) 



Flora, fossil. (See Plants, fossil.) 



Florissant, Colorado, Tertiary lake basin at TI, Ann 12, 



1, pp 271-mS; H, Bull, vol vi, No 2, pp 279-300 



Folding iiv (Colorado, nortlnvestern H, Ann 10, pp 48-51 



Foliling and faulting in southern Colorado and nortliern New Me.xico W, iii, 



Supp, pp 39-65 



Folds in Arizona and New Mexico, Plateau region W, in, pp 556-567 



Folds and faults of Colorado Plateau W, in, pp 289-297 



Folds in Utah, Henry Mountains IIM, pp 11-13 



Fontenelle hogbacks, Wyoming, geology of II, Ann 1 1 , pp 537-538 



Food of birds of Nebraska, notes on H, Unci 14, App, pp 13-62 



Fort Bayard, New Mexico, astronomical work at W, 1879, pp 81-113 



Fort Benton group of Black Hills BII, p 174 



of Colorado, south-central, and New Mexico, north-central W, in, 



Supp, pp 96-97 



Spanish Peaks region W, 1879, p 277 



of Missouri country, upper H, Mon.ix, pp xxviii-xxx 



of Nebraska \ LOR, 1867, p 171; H, Ann 1, p 53 



of New Mexico, north-central, and Colorado, south-central. .W, in, Supp, pp 96-97 



Fort Bliss, Texas, astronomical work at W, 1879, pp 47-81 



Fort Bridger, Wyoming, geology between South Pass and H, Ann 4, pp 35-41 



Fort Ellis, ^lontana, geology between Fort Hall, Idaho, and H, Ann 5, pp 27-44 



geology between Gardiner River and H, Ann 6, pp 108-125 



Fort Fetterman, Wyoming, geology between Cheyenne and H, Ann 4, pp 11-24 



geology between South Pass and H, Ann 4, pp 24-35 



Fort Garland, Colorado, birds collected in vicinity of W, Unci 4, pp 69-95 



Fort Hall, Idaho, geology between Fort Ellis, Montana, and H, Ann 5, pp 27-14 



geology between Ogden, Utah, and..H, Ann 5, pp 13-26; H, Ann 6, pp 197-207 



meteorological observations at H, Miscl 2, pp 4-46 



Fort Hays division of Kansas. -H, Ann 9, pp 289-290; H, Bull, vol ii. No 3, pp 218-221 



Fort Pierre group of Black Hills BH, pp 172-173 



of Colorado, south-central, and New Mexico, north-central W, in, 



Supp, pp 99-101 



Spanish Peaks region W, 1879, p 277 



of Missouri country, upper H, Mon ix, pp xxxiii-xxxv 



fossil vertebrates of H, Bull, vol in, No 3, pp 586-588 



of Nebraska LOR, 1867, p 172; H, Ann 1, p 54 



of New Mexico, north-central, and Colorado, south-central W, in, 



Supp, pp 99-101 



Fort Sisseton, Dakota, birds of, notes on H, Bull, vol v. No 1, pp t\-103 



mammals of H, Bull, vol iv. No 1, pp 201-218 



Fort Union, New Mexico, astronomical determinations at W, n, pp 313-335 



geology between Colorado City and H, Ann 3, pp 47-58 



in vicinity of H, Ann 3, pp 58-61; H, Ann 1-3, pp 158-161 



Fort Union group, extent and age of. . .H, Ann 7, pp 432-435; H, Ann 8, pp 141-143 



fauna of H, Mon n, pp 25-30 



invertebrate fossils of, list of H, Bull, vol in. No 3, p 612 



of Missouri region, upper H, Mon ix, pp Iv-lxi 



vertebrata of H, Ami 7, pp 444-456 



(See, also, Lignite formations.) 



