204 INDEX TO PUBLICATIONS OF IT. S. GEOL. SURVEY. [bull.2133 
Spain; phosphate rock production of MR 1901 , p 822 
, datinum in Bull 193, pp 81-83 
, ,yrite production of MR 1900, p 826; MR 1901, pp 841, 842}: 
quicksilver production of MR 1901, p 238 
salt production of MR 1900, p 846; MR 1901, p 864 
sulphur production of MR 1901, p 837 
zinc from, statistics of MR 1900, p 226; MR 1901, p 223 
Spanish Fork, Utah, flow of, measurement of WS 51, 
pp 415-416; WS 66, pp 122-123; WS 75, p 194 
irrigation data relating to WS 52, pp 503-504 
Spanish Peaks quadrangle, Colorado, geology of GF 71 
Spar, analysis of, from New York, Bedford MR 1901, p 937 
Spearfish shale of South Dakota GF 85, p 3 
Specific gravity of anthracite Ann 22, in, p 74 
Spencer (A. C. ), manganese deposits of Santiago, Cuba Bull 213, pp 251-255 
mineral resources of the Encampment copper region, Wyoming Bull 213, 
pp 158-162 
reconnaissance examination of the copper deposits at Pearl, Colorado. .Bull 213, 
pp 163-169 
work in charge of Ann. 22, i, pp 62, 98, 169, 1 70; Ann 23, p 57 
Spencer (A. C. ) and Schrader (F. C. ), geology and mineral resources of por- 
tion of Copper River district, Alaska Copper 
Spessartite, occurrence of MR 1901, p 745 
Sphalerite of Ozark region Ann 22, n, p 114 
< >f Upper Mississippi Valley, concentration of Ann 22, n, p 45 
Sphenodiscidse of the Cretaceous Mon xliv, pp 56-83 
Spindletop oil pool, Texas, geology, producing wells, etc Bull 212, pp 69-85 
Spirit leveling in the various States, results of, in 1900-1901 Bull 185 
Spodumene, analysis of, from Connecticut, Branchville MR 1900, p 240 
analysis of, from Massachusetts, Goshen MR 1900, p 240^ 
Sp< tkane River, Washington, flow of, measurement of Ann 22, 
iv, pp 442-443; WS 51, pp 438-439; WS 66, p 133; WS 75, p 200 
Spokane shale. (See Turnley hornstones. ) 
Spring Mountain Range, Nevada, geology of Bull 208, pp 164-180 
Springs of Hawaiian Islands, Molokai WS 77, pp 28-30 
i if Snake River Canyon, Idaho Bull 199, pp 26-28, 148-156, 162-171 
varieties of, conditions controlling, etc Bull 199, pp 148-156 
Springs, mineral, in Oregon, Cascade Range Forest Reserve, central portion... PP 9, 
pp 76-71 
in Washington, Cascade Range PP 6, pp 37-3$ 
Spurr (J. E. ), descriptive geology of Nevada south of fortieth parallel and 
adjacent portions of California Bull 208 
ore deposits of Monte Cristo, Washington Ann 22, n, pp 777-865 
ore deposits of Tonopah and neighboring districts, Nevada... Bull 213, pp 81— 87| 
work in charge of Ann 23, p 58( 
Staked Plains, Texas, irrigation on WS 71, p 78 
Standley shale of Indian Territory GF 79, p 4 
Stanislaus River, California, flow of, measurement of Ann 22, 
iv, p 464; WS 51, pp 455-456, 480-481; WS 66, p 146 
Stanton (T. W. ), Colorado formation and its invertebrate fauna Bull 106 
work in charge of Ann 22, i, pp 100-101 ; Ann 23, pp 31-32 
Stanton (T. W.), editor; Pseudoceratites of the Cretaceous (by Hyatt)... Mon xliv 
Stanton limestone of Kansas, synonymy, character, and fauna of.. Bull 211, pp 41-43 
Star Peak formation of Nevada Bull 208, p 22 
