4 CONTENTS. 
Hydraulic mining — Continued. p age . 
Storage reservoirs 127 
Pipe lines 128 
Giants and nozzles 134 
Sizes and prices 134 
Methods of piping to sluice 136 
Bank-head water 137 
Duty of miner' s inch 138 
Handling of bowlders 141 
Sluices and gold-saving appliances in hydraulic operations 142 
Tailings 150 
The hydraulic elevator 151 
Dredging 157 
Introduction 157 
Description of operations 160 
Cost of dredging 1 67 
Notes on dredging, by J. P. Hutchins 1 73 
Sluices and gold -saving appliances, excluding hydraulic operations 190 
Cleaning, retorting, and melting 205 
Fineness of gold 207 
Labor 21C 
Lumber and fuel _ 21S 
Timber 211 
Coal 21, 
Roads and road building in Alaska 21' 
Introduction 21' 
Cost and method of constructing highways 22! 
South Coast province 22 . 
Atlin district and Yukon Territory 22 
Central Yukon province 22 
Seward Peninsula province 22 
Freight rates 22 
Freight rates from the States 22 
Local freight and passenger rates '. . . 22 \ 
Customs regulations 24 
Telegraph rates 24 \ 
Tables of distances and prices of mining supplies 2^ * 
Legal conditions in 1904 21 \ 
Introduction 211 
Application of present mining law to Alaska 2!'| 
Discovery 21 1 
Subsequent annual labor 2\ I 
Boundaries 2 | 
Bibliography : 2 \ 
Index 2 1 
