CONTENTS. VII 
Yukon placer fields — Continued. Page 
Fairbanks region — Continued. 
Placers '. 1 IS 
Fairbanks Creek 118 
Pedro, Gilmore, and Goldstream creeks 118 
Cleary Creek 119 
Dome Creek . 119 
Esther Creek 119 
Mining methods 120 
Prospecting 120 
Open-cut mining ; 121 
Drifting 121 
Costs 122 
Summary 122 
Salcha region 123 
Bonnerfield and Kantishna regions 125 
Fortymile region 125 
Birch Creek region 126 
Rampart region 126 
Koyukuk region 127 
Reconnaissance from Circle to Fort Hamlin, by R. W. Stone 128 
General statement 128 
Geographic sketch 128 
Drainage 129 
Vegetation 129 
Geology 129 
Stratified rocks 130 
Igneous rocks 130 
Prospecting 131 
Gold mining on Seward Peninsula, by F. H. Moffit 132 
Introduction 132 
Nome region 133 
Old beach and tundra gravels 133 
Stream and bench gravels 134 
Penny and Cripple rivers 136 
Iron Creek 136 
Solomon River 136 
Placer mining 136 
Quartz mining - - 137 
Council region 1 37 
Daniels Creek - 1 39 
Teller region - 139 
Kougarok River - 139 
Fairhaven precinct - - HO 
Candle Creek - 140 
Inmachuk River - - - - - 140 
Ditches.. - - 141 
The York tin region, by Frank L. Hess - - 145 
Introduction - 145 
Topography - ' ' ;) 
Geology - - - 14 6 
Sedimentary rocks - - - - 
Igneous rocks - ' ' f ' 
Alluvial deposits - 14b 
