198 INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY.. [bull. 215. ' 
Sharon shales of Ohio PP 11, p 193 
Shasta group of California Bull 15, p 10 
Shattuck (G. B), Mollusca of the Buda limestone Bull 205 
Shawsheen River, Massachusetts, quality of water of WS 79, pp 38-39 
Shell Creek and tributaries, Wyoming, flow of, measurement of WS 66, p 23 
Shenandoah River, canoe survey of south branch of Ann 22, iv, pp 140-144 
flow of, measurement of Ann 22, iv, pp 135-137; 
WS 48, pp 118-121; WS 65, pp 231-233; WS 75, pp 36-39 
Sherwood peneplain, Oregon-California, description of Bull 196, pp 22-23 
Ship canals; size, cost, traffic, etc., comparison of Ann 22, iv, pp 541-543 
Shishmaref Inlet, Alaska, gold on N and N, pp 138-139 
Shumagin Islands, coal beds on Ann 22, in, pp 547-548 
Sideritic and calcareous rocks of Minnesota, Mesabi district. . .Mon xliii, pp 150-153 
Sienna, statistics of MR 1900, pp 880, 882, 884; MR 1901, pp 902, 904, 906 
Siena Nevada, f crest conditions in northern PP 8 
geology of Bull 208, pp 218-222 
Neocene rivers of Bull 213, pp 64-65 
Silesia, zinc from, statistics of MR 1900, p 226; MR 1901, p 223 
Silica powder, analyses of, from Minnesota, Mesabi district Mon xliii, p 210 
Silicates, action of ammonium chloride on Bull 207 
Silo sandstone of Indian Territory GF 79, p 6 
Silt, analyses of, from Indiana, Terre Haute and Princeton GF 84, p 5 
Silurian history of New York City district GF 83, pp 2, 5 
Silurian rocks; Arbuckle limestone of Indian Territory GF 79, p 3 
Bays formation in Tennessee GF 75, p 3 
Birdseye beds of Kentucky Ann 8, n, p 545 
Cason shale of Ozark region Ann 22, n, p 82 
Chazy limestone of Kentucky Ann 8, n, pp 545, 546 
Chickamauga limestone of Georgia GF 78, p 3 
of Tennessee GF 75, pp 2-3 
Cincinnati group-in Illinois GF 81, p 2| 
clays east of Mississippi River PP 1 1, pp 50-51f 
i »f Alabama PP 1 1, pp 68-69 
« »f Kentucky PP 11, pp 115-117' j 
of Pennsylvania PP 11, p 212 
Clinch sandstone of Tennessee GF 75, p 3 
Clinton group in Erie and Ohio basins Mon xli, p 54 
Clinton limestone of Ohio Ann 8, n, p 499 
Clinton shale, clays derived from PP 11, p 51 
Eureka quartzite of Nevada Ann 4, p 229; Bull 8, pp 42-43; Bull 208, p 19 
gas and oil from Ann 11, i, p 600 | 
Gasconade limestone of Ozark region Ann 22, n, p 82 
Helderberg limestone in Erie and Ohio basins Mon xli, p 56 
Holston marble of Tennessee GF 75, p 3 
Hudson group of Illinois. t GF 81, p 2 
Hudson River group in Erie and Ohio basins Mon xli, p 54 
- Hudson schist of New York City district GF 83, p 4 
Hudson shale of Wisconsin PP 1 1 , p 26^ 
clay derived from „ . . PP 11, p 50 
Hunton limestone of Indian Territory ^_ GF 79, p 3 
Izard limestone of Ozark region Ann 22, n, p 81 
Jackfork sandstone of Indian Territory GF 79, p 4 
Keene limestone of Montana Ann 22, n, p 438 
Knox dolomite of Georgia GF 78, p 3 
of Tennessee GF 75, J 
