]()(') INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY. [bull. 215. 
< >neonta sandstone of New York, deposition of, evidence of shifting of faunas 
associated with Bull 210, pp 97-103 
( >nion Creek marl of Texas, Austin quadrangle GF 76, p 6 
Onondaga series in Erie and Ohio basins Mon xli, pp 55-56 I 
Ontario, platinum in Bull 193, pp 33, 37-38 
Ontario, Lake, topography south of Mon xli, pp 68-69 
Ontonagon River, Michigan, hydrographic data concerning WS 49, p 259 
Oologah limestone of Indian Territory, character and fauna of Bull 211, pp 62-63 
Oostanaula River, Georgia, flow of, measurement of . Ann 22, 
iv, p 198; WS 48, pp 162-163; WS 65, pp 277-278; WS 75, p 90 
tributaries of, discharge measurements of WS 63, p 181 
Opal, occurrence and statistics of MR 1900, p 767, 777; MR 1901, pp 758-760, 770 
Opeche formation of South Dakota GF 85, p 3 
Orca series of Alaska Ann 22, in, p 528, Copper, pp 33, 37-40 
Ordovician clays east of Mississippi River, distribution of PP 11, p 50 | 
of Kentucky _ .PP 11, pp 1 15-116 
Ordovician rocks; Cincinnati group of Ohio Ann 8, n, p 499 
Ore, precious metal, of Colorado, Silverton quadrangle, treatment of Bull 182, 
pp 41-43 
Ore deposits, copper, of Arizona, Globe copper district PP 12, pp 1 14-163 
Ore deposits, copper and precious metals, of Montana, Butte . . .Bull 213, pp 170-180 
of Montana, Elkhorn mining district Ann 22, ir, pp 399-549 I 
Ore deposits, iron ore, of Minnesota, Vermilion district, origin of Mon xlv, 
pp 227-234 j 
Ore deposits, lead and zinc, of Ozark region, formation, nature, etc., of.. Ann 22, n, 
pp 124-162 
Ore deposits, precious metal, of Colorado, Rico Mountains Ann 22, n, pp 229-397 
of Colorado, Silverton quadrangle Bull 182, pp 13-144 
of Nevada, Tonopah and neighboring districts Bull 213, pp 81-87 : 
of Utah, Bingham Bull 213, pp 105-122 
of Washington, Monte Cristo Ann 22, n, pp 777-865 
relation of, to circulation of underground waters Ann 22, n, pp 95-110 
Ores, metalliferous, investigation of Bull 213, pp 15-28 
mode of formation of, in Montana, Elkhorn district Ann 22, n, pp 496-504 
. of economic importance MR 1901, pp 967-973 
of Ozark region Ann 22, n, pp 113-1 16, 123 
Oread limestone of Kansas, synonymy, character, and fauna of Bull 211, pp 44-45 
Oregon; Alamo district, mining geology of Ann 22, n, pp 688-692 
artesian basins in southeastern WS 78 
Auburn, Minersville, and Pocahontas districts, mining geology of Ann 22, 
ii, pp 649-654 
Bellspring peneplain, description of Bull 196, pp 18-22 
Bonanza and Upper Burnt River districts, mining geology of. Ann 22, n, pp 697-704 
borax in MR 1901, pp 869-870 
borings, deep, in, list of WS 61 , p 29 
building stone from, statistics of.. MR 1900, p 662 et seq; MR 1901, p 644 et seq 
Cable Cove district, mining geology of Ann 22, n, pp 671-676 
Camp Carson district, mining geology of Ann 22, n, pp 676-677 
Canyon district, mining geology of Ann 22, n, pp 712-720 
Cascade Range, geology of PP 3, pp 17-20 
Cascade Range Forest Reserve, forest conditions in PP 9 
clay products of, statistics of MR 1900, p 695 et seq; MR 1901, p 674 et seq 
coal in, area and statistics of MR 1900, 
pp 277, 359, 418-419; MR 1901, p 287 et seq, 414-415 
