234 
INDEX. 
Page. 
Reports published in 1906, list of 17 
Resurrection Creek, mining on 119, 120 
Resurrection Creek, East Fork of, mining 
on 119,123-124 
Revillagigedo Island, gold mining on. ... - 63 
marble on 77 
Richter Creek, mining on 151 
Roads, improvements and extensions of 22 
Rock Creek, mining near 146 
Rocky Creek, mining on ' 163 
Rodman Bay, abandoned mines at 60 
Roosevelt Creek, mining on 210, 211 
Ruby Creek, mining on 37, 154 
Rush & Brown copper mine, operations at. . 68 
S. 
Salmon Creek, gold mining on 56 
Salmon Lake, foot of, rainfall at 185 
Sands, black, occurrence and character of. . . 86-87 
Sargent, R. IL, work of 15 
Schnatterbeck, C. C, cited on values of ores 
of antimony 30 
Schrader, F. C, cited on gold in Chandlar 
River basin 38 
Schrader, F. C, and Mendenhall, W. C, cited 
on genesis of copper ores of Cop- 
per River 25-26 
Sea Level mine, location of 63 
Seal Bay, copper mining and prospects at. . . 71-72 
Series, use of term, explanation of 83 
Seven Hundred Foot fraction, gold mining 
at 52 
Seward Peninsula, gold production of 21, 31 
map of, showing areas mapped 1 27 
placer mining on 34-35 
surveys on 16 
See also Iron Creek, Kougarok region, 
Niukluk River, Nome region, 
Solomon River. 
Seward Peninsula Railway, extension of . 144,171 
Sewa rd Tin Mining Company, operations of. 29 
Shakan, marble near :.'» 7ii 
Shea Creek, mining near 153 
Sheep Creek, gold mining on 50 
Sheep Mountain, geology on llti 
Silver, occurrence of 72, 190 
production of, in 1906 21 
Silver Bay, gold deposits near 60 
granite on 77 
Silverbow Basin, gold mining at 55 
Silver-lead ore. occurrence of 150 
Sinuk River, stream measurements on 185 
Sitka mining district, geology of 59-60 
mineral belt in 49 
Sixmile Creek, mining on 119,122 
Skagway district, mining in 64-65 
Skookum Creek, placer mining on 37 
Skowl Arm, copper mining on 69 
Slate Creek, stream measurements on 185 
Slates, gold in 115 
occurrence and character of 107 
Sluice boxes, new method of preparing 150 
Smith, P. S., paper by, on geology and min- 
eral resources of Iron Creek. . . 157-163 
paper by, on gold fields of Solomon and 
Niukluk River basins 146-156 
77 
I '.t5 
-'1 
38 
67 
185 
Pag* 
Smith, P. S., work of 16, 126, 146, 157 
Smith & Heid claims, v location of 50 
Smuggler Cove, gold mining at 63 
Snake River, gold veins on 131 
Solomon Creek, mining on 171, 17 
Solomon River, basin of, dredging in 146, 14 
basin of, gold fields in, description of. . 146-147 
gold production of 147 
lode mining in 147 
placer mining in 147 
Southeastern Alaska. See Alaska, south- 
eastern. 
Spencer, A. C, cited on Juneau gold belt 47, 
49,50,51 
Spruce Creek, mining on 214-215 
Spurr, J. E., cited on 'fossil placers" 199 
cited and quoted on auriferous quartz 
on Harrison Creek 190, 195 
Square Cove, marble at 
Squaw Gulch, gold in 
Statistics of mining in 1906, tables showing. 
Steele Creek, wagon road in construction on. 
SI evenstown copper mine, operations at 
Stewart River, stream measurements on... 
Stibnite, occurrence of 30,219-22 
Stone, A. J., and Davidson, J. M., road built 
by 
Stones, ornamental and building, occur- 
rence and character of 72 
Strawberry Harbor, oil seepages and wells 
at 94,96^ 
Stream flow, measurements of, in Nome re- 
gion 183-185 : ) 
Sumdum mine, location of 58 • 
Sunny Day copper mines, operations at 68 
Sunrise district, copper in 124-125 
mining in 119-124 
Surveys, area, of, in miles 12-13 I 
Susitna River, geology on 107 
Sweetcake Creek, mining on 151 
Switch Creek, mining on 192 
r. 
Taku Harbor, gold-bearing veins at 58 
Taku Inlet, granite on 77 
Talkeetna basin, reconnaissance in 104-125 
See also Matanuska and Talkeetna 
basins. 
Talkeetna Mountains, coal in 109,110 
geography of 104-105 
Talkeetna River, course of 105 
geology on 107 
gold on 116 
surveys near 15 
Xanana Flats, descripl ion of 20.5-206 
Tarr, R. S., cited on metamorphic complex 
of Pacific coast 83 
work of 15 
Tatlanika Creek, basin of, mining in 210 
Taylor Creek, mining on or near 177, 178, 179 
Telegram Creek. See Iron Creek. 
Tenderfoot Creek, mining on 37 
Tenderfoot mining district, production of . . 37 
Tertiary rocks, coal beds in 42-43 
occurrence and character of 90 
Thomas Island, granite on 77 
