184 INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY. [bull.215, 
• 
Rixon (T. F.), Leiberg (J. B. ), Langille (H. D.), Plummer (F. G.), and Dod- 
well (A. ), forest conditions in the Cascade Range Forest 
Reserve, Oregon PP 9 
Rizer (H. C. ), work in charge of Ann 22, i, p 206 
Roach River, Maine, flow of, measurement of WS 65, pp 17-18 
Road metal in New Jersey, New York City district GF 83, p 10 
in Tennessee, Maynardville quadrangle GF 75, p 6 
in Texas, Austin quadrangle GF 76, p 8 
use of slag for Bull 213, p 230 
Roan Creek, Tennessee, flow of, measurement of WS 48, p 184; WS 65, p 299 
Roan gneiss of Tennessee GF 90, p 2 
Roanoke River, flow of, measurement of Ann 22, iv. pp 131- 
132; WS48, pp 130-132; WS 65, pp 241-243; WS 75, pp 53-54 
Roberts ( G. E. ) , gold and silver, production of, statistics of MR 1900, 
pp 105-113; MR 1901, pp 117-126 
Rock cement, American, statistics of MR 1900, pp 745-748; MR 1901, pp 725-726 
Rock Creek, District of Columbia, flow of, measurement of WS 48, pp 125-126 
Rockaway River, New Jersey, flow of, measurement of WS 72, pp 24-25 
Rockmart slate of Georgia GF 78, p 3 
Rocks, permeability and porosity of WS 67, pp 15-16 
Rockville conglomerate of Iowa, northeastern Ann 11, i, p 234 
Rock wood formation of Georgia GF 78, p 3 
of Tennessee GF 75, p 3 
Rocky Mountain coal fields; summary of knowledge Ann 22, in, pp 415-471 
Rogersville shale of Tennessee GF 75, p 2 
Rome formation of Georgia GF 78, p 2 
of Tennessee GF 75, p 2 
Rome quadrangle, Georgia-Alabama, geology of GF 78 
Romney formation of Maryland, fauna of Bull 210, pp 67 
Rondout Creek, New York, diversion of, to feed Delaware and Hudson Canal. WS 65, 
pp 68-69 
flow of, measurement of WS 65, pp 66-68, 69-70; WS 76, pp 98-99 
quality of water of WS 76, pp 78-80 
water powers on WS 65, p 70 
Roscoelite, analysis of, from California, Lotus MR 1900, p 264 
Roslyn formation of Washington, coal fields Ann 22, in, p 485 
Rotten limestone of Alabama Bull 43, pp 83-86, 116-117, 131 
Roubidoux sandstone of Ozark region Ann 22, n, p 82 
Roumania, petroleum in, statistics of MR 1900, 
pp 611-613; MR 1901, pp 592-594, 611 
Rove slate of Minnesota, Vermilion district Mon xlv, pp 390-396 
Ruby, occurrence and statistics of MR 1900, 
pp 756-758, 777; MR 1901, pp 741-742, 770 
Ruby, oriental, in North Carolina Bull 180, pp 39-46 
Ruin granite of Arizona, Globe district PP 12, pp 73-75 
Ruley ( W. W. ), Pennsylvania anthracite MR 1901, pp 419-423 
Run-off, effect of geologic structure and forests on WS 80, pp 46-56 
in Colorado WS 74, pp 14-19 
laws, characteristics, estimation, formulas, etc., of WS 80, pp 19-38 
relation of rainfall to WS 80 
in California WS 75, pp 225-231 
table for converting depth of, in inches, into acre-feet per square 
mile WS 75, p 226 
(See, also, Rainfall and run-off.) 
