266 
INDEX. 
Page. 
Ditches and flumes, data concerning 104-110 
in Interior province 104, 117-120 
in Juneau district, map showing 114 
in Seward Peninsula 15,120-127 
in South Coast province 113-117 
views of 13,114,124,228 
Domes, location and character of 31 
Dominion Creek, gold on, fineness of 208 
stream conditions on 52 
Douglas Island, ditches on 104,107 
ditches on, plate showing 114 
Drains, construction and cost of 57-58 
Dredges, buckets of, plates showing. . 160, 1G8, 178 
parts of, figures showing 176, 179, 180, 182 
types of 175-188 
views of 160, 162, 168 
Dredges, electric, use of 189 
Dredging, advantages of 173, 189-190 
conditions essential for 157-158 
cost of 37-38, 159, 162-173 
extension of 1 75 
loss of time in 168, 188 
obstacles to, in Alaska 158-159 
operations of 160-167, 183-186 
prospecting by 173-175 
view of, plates showing 176, 184 
Drift mining. See Mining, drift. 
Drifting, cost of 40-41 
prospecting by 41 
prospecting rig for, figure showing 82 
Drill, churn, plate showing 40 
Drilling, prospecting by, cost and results of. 39-41, 
173-175 
Dry Creek, freight and passenger rates to.. 240 
gold on, fineness of 209 
investigation on 14 
stream conditions on 53 
wood on, price of 216 
Dublikaket, freight and passenger rates to 
and from 236-237 
Dumping, method of, plates showing 62, 64 
Dumping bucket, plates showing 40, 68 
Dumps, plates showing 40, 192 
sampling of, necessity for 42-43, 83 
methods of 42-43 
E. 
Eagle, freight and passenger rates to 233-235 
ice at 49 
investigation at 14 
rainfall at 43,48 
stream conditions at 49 
temperatures at 49 
underground conditions at 158 
Eagle Creek, drift mining on 87-88 
freight and passenger rates to 238 
gold on, fineness of 208 
investigation on 14 
prices on 88 
stream conditions on 52, 54 
wood on, price of 216 
Eagle district, ditches in 105, 109 
flume in, view of 228 
gold in, fineness of 208 
hydraulic mining in 117 
map of 44 
Page. 
Eagle district, mining in, methods of 28 
pipe lines in 119 
stream conditions in 52, 54 
wages in 211 
wood on, price of 215 
East Fork Creek, freight and passenger rates 
to 242 
Eldorado Creek, Y. T., ditches on 105,108 
investigation on 14 
steam shovel on 80-82 
stream conditions on 52, 54 
thawing on, plate showing 84 
wood on, price of 215 
Electric power, use of 33-34, 159 
Elevators, hydraulic, cost of 152, 156 
parts of, figures showing 153 
principle of 151-152 
types of 152-156 
use of 155 
views of 152, 154 
-water needs of 154-155 
Elluvial mining, definition of 26 
Elmer, J. M., drift sheet devised by 163-164 
Eureka Creek, stream conditions on 52 
Evans, G. H., on hydraulic mining 112 
on pipe lines 133 
F. 
Fairbanks, derricking at, plate showing... 64 
distances from 247 
freight and passenger rates to and from. 233- 
235, 237-238 
prices at 226-227, 249-254 
source of supplies at 243 
Fairbanks Creek, ditches on 105,109 
drift mining on, plate showing 92 
freight and passenger rates to 238 
gold on, fineness of 194, 208 
hot-water thawing on 98 
investigation on 14 
legal abuses on 256 
stream conditions on 53-54 
wages on 211 
wood on, price of 216 
Fairbanks district, ditches in 105, 109, 120 
drain in, cost of 58 
drifting in 96-99 
garnets in 205 
gold in, fineness of 208 
ice in 89 
investigation in 14 
map of part of 46 
mining in, cost and methods of 28, 36 
physical conditions in 32-33, 96 
prospecting in, cost of 41 
rainfall in 45 
road in, plate showing 220,226 
shafts in, cost of 98 
shoveling in, duty of man in 59 
steam-point thawing in 91-92 
stream conditions in 45, 53, 54 
timbering in 98 
topography in, view of 226 
wages in 67,211 
wood in. price of 216 
Fairhaven district, coal in 213 
