108 INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY, [bull. 215. 
Greenstones of Alaska, Seward Peninsula, northwestern portion PP 2, p 29 
of Minnesota, Mesabi district Mon xliii, pp 63-68 
Greenstone-schists of Alaska, Copper River district Copper, p 53 
of Alaska, Ketchikan district PP 1, pp 48-49 
Greenstones and greenstone-schists of Alaska, Seward Peninsula.. N and N, pp 31-33 
Gregory (H. E. ), work in charge of Ann 22, i, pp 65, 66; Ann 23, p 45 
Grey Bull River, Wyoming, hydrography of basin of Ann 22, iv, pp 295-298 
Grindstones, statistics of MR 1900, pp 787, 789-791 ; MR 1901, pp 789-792 
Griswold (W. T.), Berea grit oil sand in the Cadiz quadrangle, Ohio Bull 198 
structural work during 1901 and 1902 in eastern Ohio oil fields Bull 213, 
pp 336-344 
work in charge of Ann 22 i, pp 140-141 ; Ann 23, pp 45-46 
Grorudite, analysis of, average Bull 209, p 75 
Grossularite, occurrence of MR 1901, pp 745-746 
Ground ice of Alaska, Seward Peninsula N and N, p 47 
Ground water in arid lands Ann 22, i v, p 642 
in California, Kings River delta WS 58, pp 53-85 
in Hawaiian Islands, Molokai, utilization of WS 77, pp 56-59 
in Washington, Ellensburg quadrangle GF 86, p 6 
Yakima County WS 55, pp 37-38 
movements of, and growth of streams by accession of WS 80, pp 43-46 
of High Plains, depth, origin, etc. , of Ann 22, i v, pp 640-652 
Griinalite. (See Greenalite. ) 
( ruadalupe River, Texas, flow of, measurement of WS 66, pp 62-63 
Guertie sand of 1 ndian Territory GF 74, p 4 
Guiana, diamonds in, occurrence of MR 1900, pp 752-753; MR 1901, p 735 
Gulf Coastal Plain, ge< ilogy of Bull 212, pp 15-67 
Gulf of Mexico watershed, stream measurements in.. Ann 22, rv, pp 184-210,347-357 
Gulf series of Texas GF 76, pp 5-6 
Gulf slope, geologic reconnaissance in Ann 14, i, p 241 
Gunflint formation, grannies in, photomicrograph of, from Minnesota, Ver- 
milion district Mon xlv, p 382 
of Minnesota, Vermilion district Mon xlv, pp 374-390 
Gunnison River, Colorado, (low of, measurement of Ann 22, iv, p 390; WS 50, 
pp 378-379; WS 66, pp 93-95; WS 74, pp 132-135; WS 75, p 175 
( in) andot sandstone lentil in West Virginia GF 77, p 4 
Gypsum, analysis of, from Colorado, Rico district, Rico- Aspen mine. .Ann 22, n, p276 
analysis of, from South Dakota, Hot Springs GF 85, fig 6 
from Virginia, Plasterco Bull 213, p 412 
association of rock salt, petroleum, sulphur, and Bull 184, pp 49-53 
of Michigan, Grand Rapids, in relation to cement industry ...Ann 22, in, p 674 
of South Dakota, Oelrichs quadrangle G F 85, p 6 
publications on Bull 213, p 417 
statistics of MR 1900, pp 827-833; MR 1901, pp 843-851 
Gypsum and salt deposits of Virginia, southwestern Bull 213, pp 406-416 
Gypsum industry, mining and technology of Bull 213, pp 410-416 
Gypsum rock, analysis of, from Virginia, Bradford, east of Bull 213, p 411 
Hackberry shales of Iowa, northeastern Ann 11, i, p 234 
Hager coal of Pennsylvania GF 82, p 12 
Hague (A.), work in charge of Ann 22, i, p 82; Ann 23, p 46 
Halloysite, analysis of, from Colorado, Rico district, Logan mine ..Ann 22, n, p 285 
Hamburg limestone and shale of Nevada, Eureka Ann 2, pp 22, 27, 29, 34; 
Ann 3, pp 253, 255-256; Ann 4, pp 229, 231; Bull 208, p 19 
Hamburg moraine, New York, distribution, topography, etc., of Mon xli, 
pp 677-681 
