INDEX. 
193 
Page. 
P. 
aige, Sidney, work of 15 
aleozoic rocks, coal in 181-185 
occurrence of 174-175 
aimer Creek, location and character of.. 92, 
95-96 
placers of 95-9G 
edro Creek, developments on 26-27 
placers on, character of 26-27, 39 
enberthy, S. T., acknowledgments to 152 
enniman & Browne, oil tests by 137-138, 146 
enny region, work in 21 
ennsylvania coal, character of 147 
eril Straits, rocks at 57 
erseverance mine, developments at 53 
eterson mines, work at 54 
etroleum, character of 137-138 
cost of 41 
etroleum fields, geology of. . 128-131, 134-135, 139 
investigations in 15 
location of 128, 134, 138 
oil of, character of 137-138 
See also Controller Bay, Cold Bay, and 
Cook Inlet fields. 
ioneer Company, methods of 21 
ioneer Creek, location and character of.. 115-117 
itmegea River, location of -172 
lacer mining. See Mining, placer. 
acers, bench, character of 33, 34 
methods of working of 34 
acers, creek, character of 33 
methods of working of 34 
acers, gold , classification of 33 
investigation of 14, 15 
occurrence of 19-24, 35-36, 38-39, 51, 95-96 
production of 18 
acers, gravel-plain , (.character of 33, 35 
method of working of 35 
acers, hillside, character of 33, 34 
methods of working of 34 
acers, lake-bed, character of 33 
methods of working of 35 
acers, river- bar, character of 33, 34 
methods of working of 34 
acers, sea-beach, character of 33, 35 
methods of working of 20, 35, 89 
occurrence of 35-S6, 89, 101 
acers, tin, occurrence of 126-127 
acers, tundra. See Placers, gravel-plain. 
atinum, nonoccurrence of 33 
eistocene rocks, occurrence of 176 
>cahontas coal, analysis of 147 
)int Hope, location and character of . . . 172-173 
>pof Island, placers of 101 
mmpine Creek, gold on 51 
work on 31 
>rcupine district, developments and 
methods in 51-52 
placers of, character of 36 
)rt Camden, coal at 57 
)rt Clarence precinct, work in 24 
)rt Graham, coal at 151, 152, 160 
coal at, analysis of 1 70 
)rtage Bay, coal at 169 
>rtage Glacier, location of 93 
Pag. . 
Portage Mountain, minesat 60 
Portlock, N., on Alaska coal 151,160 
Prince of Wales Island, copper at 51,61-64 
marble on 68 
rocks of 61-62 
Prince William Sound, copper smelting at. 171 
Prindle, L. M., on Fairbanks placers 17,26-28 
on Portymile and Birch Creek placers. 17 
on Rampart placer region 104 L19 
work of 17 
Puget Sound coal, cost of 153 
Pumping, cost of 45 
Purington, 0. W., on methods and cost of 
mining 32-46 
work of 15, 19 
Puyallup mines, developments at 66 
Q. 
Quail Creek, location and character of 108, 
114-115 
rocks on 115 
Quartz mines, occurrence of 22 
Quaternary rocks, occurrence of 176,180 
Queen Creek, coal on 144,146 
rocks on 142 
section on, diagram showing 141 
R, 
Rampart, experimental station at 109 
location of 104 
Rampart region, access to 104-105 
conditions in 25 
development of 105, 111-119 
future of 119 
gravels of 38, 113-114 
investigations at 15, 17 
geography of 105-109 
geology of 109-110 
hydraulic mining in 119 
location of 104 
map of 105 
mines of, developments and methods 
at 111-119 
placer mining in, account of 25, 104-119 
placers of, character of 36 
production of 106 
vegetation in 109 
Rampart series, occurrence and character 
Of 109-110 
Raymond, R. W., definition by 32 
Ready-Bullion mine, developments and 
methods at 52-53 
dike in, figure showing 80 
location of 69 
Red River, coal on 163 
Resurrection Creek, location and character 
of 91-92, 94 
placers of 95-96 
Revillagigedo Island, mines on, character 
of and developments at 67-68 
Rhode Island Creek, character of 118 
Robertson, W. F., analysis by 146 
Rodman Bay, gold ores at 50 
Bull. 259—05- 
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