INDEX. 
217 
Page 
Rattlesnake mine, rocks near 186 
Recent rocks, occurrence and character of. . 33, 71 
Recent time, erosion in 42 
Receptaculites sp., occurrence of 203 
Relief, description of 16-17 
Replacement deposits, occurrence and char- 
acter of 46 
Reveille, ore deposits and rocks at 115, 117 
Reveille Peak, altitude of 115 
rocks near 116-117 
Reveille Range, economic geology of 117 
geology of 30, 32, 42, 103, 105, 115-117 
section across, figure showing 117 
structure of . 117 
topography of 114-115 
Reveille Valley, description of 114 
rocks in 104, 114 
section across, figure showing 114 
Rhombopora sp., occurrence of 122 
Rhyolite, definition of 38 
flow folds in, figure showing 68 
occurrence and description of 25, 32-33, 61- 
62, 67-68, 72, 73-76, 78-79, 80, 85-87, 
92-94,98, 104-105, 107, 116, 125-127, 
131, 135-137,141, 145-146,150,151, 
153, 156, 168-171, 180, 186, 193-194 
ore deposits in 46-49 
Roads, character of 26 
Rose Spring, flow of 100 
rocks near 102, 104-108 
Rose's Well, rocks near 152 
Ruiz Well, water of 197 
Salt Creek, description of.. 
rocks on 
soil nea r 
Salt Creek Wells, water of. 
19 
199 
196 
197 
Sand dunes, occurrence and character of . . . 36 
Sand Spring, water of 183 
Sarcobatus Flat, depth to water on 21, 158 
description of 157-158 
economic geology of 158 
section across, figure showing 21 
Schaller, Waldemar, minerals determined 
by 129-130 
Schists, occurrence and character of 177 
Secret Canyon shale, nonoccurrence of 28 
Sedimentary rocks, columnar section show- 
ing 27 
occurrence and character of 26, 35, 
51-52, 56-58, 66-67, 72, 77-78, 84, 89-90, 
96, 97, 100-103, 115, 119-123, 132-133, 141, 
143-144, 148-149, 154-155, 162-167, 177- 
178, 183-184, 191-192, 197-200, 202-205 
Seminula sp., occurrence of 122 
Shale Peak, rocks of 169 
Shoshone Mountain, economic geology of. . . 147 
geology of 30, 32, 33, 48, 104, 123, 143-147 
section on 143 
structure of 147 
topography of 142-143 
Siebert lake beds, correlation of 33 
deposition of 41 
occurrence and character of 31-33, 
48, 57-58, 67, 72, 77, 79, 84, 98, 102-103, 
122-123, 132, 143, 165-166, 178, 198-199 
Page. 
Silent Canyon, recks of I36 
Silurian rocks. c< urrence and characti i i I 
Silver Peak quadrangle locks of 
Silver Peak Ra t exten 
econom f 
northeast extern , ,gy f 28, 
18,56 62, 120 
structure of 
topography of 
Silverbow, character of 
ore deposits at it; Li 
rocks near 47, 103, 106 
Skeleton Hills, economic geoh >gy of 150 
geology of I4g 149 
structure of 149 
topography of 147-148 
Skull Mountain, economic geology of 147 
geology of 32,33,104,143 147 
structure of 1 47 
topography of 142 143 
Slate Ridge, economic geology of 194 195 
geology of 28,31,32,191 194 
structure of 194 
topography of 191 
valley near, description of 71 
Snow, occurrence of 22 
Southern Klondike, ore deposits at 44 16 19 
Southern Klondike hills, economic geology 
of 81-82 
geology of 28, 32, 33, 48, 77 
ores of, value of 81 
structure of 80 81 
topography of 77 
Spaulding, T. C, on geology of region 96, 102 
work of 13, 203 
Specter Range, economic geology of 150 
geology in *. . 26-28, 32, 38, 148 ! 19 
section of, figure showing 149 
structure of 149 
topography of 147 148 
Spring Mountain Range, extension of 147 
Springs, occurrence and description of 18, 
19 21,56 
Spurr, J. E., on geology of region 33, 
34,39,57,68,82,102 103 
work of - 15 
Stage lines, access by 26 
Staininger ranch, ore deposits near 175 
rocks at a nd nea r 164-165; 1 70 
section at 166 
springs on 19.20 
Stateline Mill, rocks near 191,1! 1 
Stenopora carbonaria, occurrence of 122 
sp. , occurrence of 1 22 
Stewart, B. D., work of 13,132 
Stinking Spring, flow of 100 
rocks at ' ' ,; » 
Stonewall Flat, description of 
Stonewall Mountain, economic geology of. 46-47, 
geology of 28,32,33,48,84-87, 104, 136 
section across 133 
figure showing ^ s 
structure of 
topography of 
Stonewall Spring, section through, figure 
showing S* 
