4 CONTENTS. 
Economic geology — Continued. Page. 
Water supply of the Fairbanks region, by C. C. Covert 51 
Salcha region 59 
Rampart region 60 
General statements 60 
Bed rock 62 
Alluvial deposits 62 
Source of the gold j__ 63 
Placers of the Rampart region, by F. L. Hess 64 
General statement 64 
Minook Creek group 66 
Minook Creek 67 
High bench ■-■. 70 
Creeks cutting the high bench 72 
Hunter 72 
Little Minook 75 
Little Minook Junior 77 
Hoosier 79 
Florida 79 
Origin of the gold 80 
Other tributaries of Minook Creek 80 
Ruby Creek 80 
Slate ('reek "__ 81 
Baker Creek group 82 
General description 82 
The creeks and benches 84 
Eureka Creek 1 84 
Pioneer Creek 85 
What Cheer Par 86 
Seattle Bar 87 
Doric Creek 87 
Other bench gravels 87 
Shirley Bar 87 
Glenn Creek 88 
Gold Run -, 89 
Rhode Island Creek 90 
Seattle Creek 90 
Bench west of Rhode Island Creek 91 
Omega Creek 91 
Chicago Creek 92 
Thanksgiving Creek 1_ 92 
Hutlina Creek 93 
Patterson Creek 93 
Water for hydraulicking 93 
General conclusions 94 
Troublesome Creek group 95 
General description 95 
Creeks prospected 95 
Quail Creek 95 
Gunnison Creek 1 96 
General summary 96 
Index 99 
