ecHMECKEBiER.] POWELL, AND WHEELER SURVEYS. 149 



Nevada, Wachoe Mountains, geology of K, ii, pp 47(M83 



Vs'^achoe Mountains, granite of K, i, pp 59-60 



Wahweah Eange, geology of K, ii, pp 566-569 



granite of K, i, p 74 



Washoe district, geology of K, iii, pp 11-36 



map of W, 1879, p 188 



notes on W, 1876, pp 54-55 



West Humboldt Range, Archean rocks of K, i, pp 85-87 



geology of K, ii, pp 713-731 



mining in K, iii, pp 308-316 



Triassic rocks of K, i, pp 267-278 



western, geology of eastern California and, between parallels of 39° 30' and 



38° 30' : W, 1877, pp 1285-1295 



geology of portions of eastern California and W, 1878, pp 167-183 



White Pine district, geology of, and mining and milling in K, n, 



pp 542-547; K, in, pp 409^44 



notes on W, 1871, p 39 



Winnemucca, aatronomical determinations at W, ii, pp 157-182 



Winnemucca Lake region, geology of K, ii, pp 801-816 



Yellow Pine district, notes on W, 1871, pp 52-53 



(See, also. Great Basin; Fortieth Parallel region; Basin Ranges.) 



Nevada Basin, geology of K, ii, pp 627-853 



Nevada City, Colorado, mines at and near H, Ann 3, 



pp 116-118; H, Ann 1-3, pp 114-116 



Nevada Plateau, augite-andesite of K, i, pp 571-577 



dacite of K, i, pp 567-571 



geology of K, ir, pp 469-625 



hornblende-andesite of K, i, pp 562-567 



propylite of K, i, pp 550-557 



quartz-propylite of .K, i, pp 557-561 



trachyte of K, i, pp 595-605 



New Almaden mercury mines, California, notes on W, 1876, p 64 



New Coso district, California, notes on W, 1876, pp 56-57 



New Eldorado district, California, notes on W, 1876, pp 58-59 



New Jlexico, xVbiquiu region, geology of W, 1875, pp 101-103 



Acoma, pueblo at W, vii, pp 325-326 



agricultural resources of eastern Arizona and western W, in, pp 573-597 



of southern Colorado and northern W, 1875, pp 129-139 



of south-central Coloi'ado and north-central W, in, Supp, pp 360-388 



astronomical determinations in Nevada, Utah, Montana, Wyoming, 



Nebraska, Colorado, and W, ii, pp 1-491 



in Texas and W, 1879, pp 268-270 



Aztec mining district, description of W, 1876, pp 66-67 



batrachians. (See Reptiles and batrachians.) 



birds collected in Arizona and portions of W, 1875, pp 149-153 



collected in Colorado, Utah, Arizona, Nevada, California, and W, v, 



pp 131-507 



of eastern Arizona and western W, Unci 4, pp 95-148 



botanical notes on AV, vi, pp 15-37 



Canadian River region, agricultural resources of W, in, Supp, pp 374-379 



geology of W, in, Supp, pp 225-282 



Canadian Valley, geology of, notes on H, Bull, vol n. No 4, pp 279-285 



Chaco Canyon, ruins in W, vn, pp 366-369; H, Ann 10, pp 431-449 



skull from, report on H, Ann 10, pp 453-457 



