168 INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY. [bull. 215. 
Oregon; Quartzburg district, mining geology of Ann 22, n, pp 708-712 
Robinsonville district, mining geology of Ann 22, n, pp 695-697 
Rock Creek and Elkhorn districts, mining geology of Ann 22, n, pp 645-648 
rocks of southeastern, classification of WS 78, p 16 
Rye Valley district, mining geology of Ann 22, n, pp 767-770 
Sherwood peneplain, description of Bull 196, pp 22-23 
Snake River, copper deposits of Ann 22, n, pp 747-752 
Sparta and Eagle Creek districts, mining geology of Ann 22, n, pp 733-739 
springs, hot and warm, in southeastern WS 78, pp 39-40 
stone, building, in Coos Bay quadrangle GF 73, p 5 
Sumpter and Cracker Creek districts, mining geology of.. Ann 22, n, pp 654-671 
Susanville district, mining geology of Ann 22, n, pp 705-708 
topographic development of Klamath Mountains Bull 196 
topographic work in Ann 22, i, pp 137, 138, 160, 173; Ann 23, pp 130, 147 
topography of Blue Mountains gold belt Ann 22, n, pp 574-576 
of Bohemia mining region Ann 20, in, pp 9-10 
of Cascade Range and Ashland forest reserves and adjacent regions. .Ann 21, 
v, pp 219-231 
of Coos Bay coal field Ann 19, m, pp 315-318 
of Coos Bay quadrangle ? GF 73, p 1 
of John Day Basin Bull 204, pp 10-11 
of Port Orford quadrangle GF 89, p 1 
of Roseburg quadrangle GF 49, p 1 
Umatilla River, flow of, measurement of Ann 22, 
iv, pp 452-453; WS 51, pp 444-445; WS 66, p 137; WS 75, p 206 
Union Peak, features of PP 3, p 20 
Virtue district, mining geology of Ann 22, n, pp 721-726 
wells, drilled, in southeastern WS 78, pp 40-43 
White River, flow of, measurement of AVS 66, p. 138 
Whitehorse artesian basin AVS 78, pp 43-41 
Oriskany Creek, New York, flow of, measurement of Ann 22, 
iv, pp 88-89; WS 47, pp 39, 45-47; WS 65, pp 145-149 
Oriskany sandstone in Erie and Ohio basins Mon xli, p 56 
Osborn (H. F.), work in charge of Ann 22, i, pp 106-107; Ann 23, pp 69-70 
Oswegatchie River, New York, drainage areas of WS 65, p 33 
water powers on WS 65, pp 34-36 
Oswego River, New York, at high dam near Oswego, power diversions, etc.. AVS 49, 
p 231 
flow of, measurement of Ann 22, i v, pp 250-251 ; WS 
47, p 39; WS 49, pp 229-233; WS 65, pp 133-139; WS 75, p 25 
Ouachita Mountains, Indian Territory-Arkansas, features of GF 79, p 1 
structure of GF 79, p 6 
Ouray limestone of Colorada, Silverton quadrangle Bull 182, p 35 
Ouro preto, analysis of, from Brazil Bull 193, p 61 
Ouvarovite, occurrence of MR 1900, p 760 
Owl Creek, Ohio, changes in drainage basin of Mon xli, pp 160-162 
Owl Creek, Wyoming, hydrography of basin of Ann 22, iv, pp 291-295 
Oxmoor sandstone of Georgia GF 78, p 4 
Ozark region, lead and zinc deposits of, preliminary report on.. Ann 22, n, pp 23-227 
Ozocerite in Utah, occurrence of Ann 22, i, p 361 
Pacific coast, coal fields of, summary of knowledge of Ann 22, in, pp 473-513 
topography ol G F 73, p 1 
Pahranagat Range, Nevada, geology of Bull 208, pp 153-154 
Pahroc Range, Nevada, geology of Bull 208, p 151 
