34 
INDEX. 
Page. 
Glacial mud, value of 20 
Glaciation in Porcupine district, evidences 
of 14,18-19 
Glacier Creek, claims staked on 12 
rush to 12 
transfer of, to the United States 12 
Gold, character of 20 
concentration of 13-19, 21 
discovery of, in Porcupine district 9, 12 
on Bowlder Creek 12 
on Porcupine Creek 12 
occurrence of 20-27 
output of 9,13 
source of 20 
Gold-bearing ores and gravels, assays of 20 
Gold claims on Porcupine Creek, examina- 
tion of, by A. H. Brooks 9 
Granite Mountain, glaciation on IS 
Gravels, occurrence of 18 
Gravels, auriferous, classification of 19 
distribution of 19 
limits of 31 
location of, on Glacier Creek 19 
on Klehini River 22 
on Nugget Creek 19, 26 
on Porcupine River 19 
on Salmon River 27 
on tributaries of the Klehini 19 
Gravels, creek, character and location of . . 19 
value of 31 
Gravels, high bench, character and loca- 
tion of 19 
view of 22 
(iravels. side bench, character and loca- 
tion of 19 
value of 31 
Grizzly Creek, claims staked on 12 
Ground sluicing, example of . . -. 25 
method of 28-29 
view of 24 
Haines Mission, location of 10 
view of 9 
Hall claim, mention of 24 
Hanley, E. B., acknowledgments to 11 
Hartford ledge, description of 27 
History of Porcupine district 12-13 
Hydraulicking, use of 29 
views of 26 
Igneous rocks, character of 17 
Intrusive rocks, character of 17 
International Boundary Commission, sur- 
vey by 9 
Katkwaltu, location of 10 
Ketchikan mining district, fossil from 16-17 
A. H. Brooks cited on 16 
Klehini River, character of 14 
gold ot gravels of 22 
mouth of 11 
quartz ledge near 18 
rocks on 17 
trail by 10 
Klukwan, location ol 10 
population of 11 
Legal Tender traction, description of 21 
Lewis, Guy, acknowledgments to ] 1 
Limestone, occurrence of 16 
Page. 
Location of Porcupine district *. . 9 
McClellan Flats, location of 10 
McDonald, Captain, acknowledgments to.. 11 
McKinley Creek, claims and developments 
on 24-26 
claims staked on 12 
geologic section on , 25 
gold-bearing calcite veins on.- 18 
gold-bearing gravels on, limits of 31 
gravels on 91 
rush to 12 
views on 18, 24 
McKinley Creek Mining Company, property 
of 25-26 
McKinley Falls, location of 24 
Map of Porcupine district 10 
of Porcupine district, statement con- 
cerning 9, 15 
Map, geologic, of vicinity of Porcupine 16 
of vicinity of Porcupine, reference to . . 15, 19 
Marble, occurrence of 16 
Marble Creek, claims staked on 12 
rush to 12 
Metamorphic belt, character and course of. 15 
Mineralization, zone of 17 
Mining in Porcupine district by elevators, 
view of 20 
in Porcupine district, methods of 28-29 
Minister of mines of Canada, quoted on 
Rainy Hollow district 28 
Mix, s. W., acknowledgments to 11 
exploration by 12 
Mix claim, description of 24 
Modus vivendi, effect of 12 
^Mountains in Porcupine district, character 
and height of 14 
Nugget Creek, claims and developments on. 26' 
course of . : 13 
discovery of gold on 13 
gold-bearing gravels on, limits of 31 
placers of 11 
trails to 26 
source and course of 26 
O'Connor, J. M.,, acknowledgments to 11 
Paleozoic age, rocks of 15 
Peters, W. J., exploration under lead of 9 
Placer gold. See Gold. 
Placers, classification of 19 
Platinum, reported occurrence of 22 
Pleasant Camp, marble near 16 
Porcupine, description of 11 
location of 11,14 
population of 11,12 
view of 12 
Porcupine Creek, claims and developments 
on 22-24 
discovery of gold on 12 
flow of 30 
geologic section on 25 
gold-bearing gravels on, limits of 31 
gravel at mouth of 14 
map of 21 
mining on, methods of 28-29 
quartz ledge near 18 
views on 14, 18 
Porcupine Creek basin, gravels of 19 
