INDEX. 
A. Page. 
Admiralty Island, coal beds on 59 
gold mining on 4) 
Alaganik, gold near 86 
Alaska, map of 4 
southeastern, geography of 30 
geology of 30-31 
gold-bearing rocks of, age of 6 
investigations in 2 
lignite from, analyses of 27 
lode gold mining in 6 
report on 30-54 
map of 30 
nonmetallic deposits of 55 60 
ore deposits of 31-54 
timber resources of 30 
Alaska Atlin Company, claims of, location 
of 40 
Alaska Central Railway, route of 15, 1 00 
Alaska Commercial Company, operations 
of * 83 
Alaska Consolidated Mining Company, 
claims of, location of 40 
Alaska Copper Company, mines of, work on 51-52 
Alaska Development Company, operations 
of 106 
Alaska Industrial Company, gold mining 
by 43 
Alaska Juneau mine, operations at 37 
Alaska Marble Company, work of 56 
Alaska Mining and Development Company, 
operations of 102 
Alaska Peninsula, coal beds on 20 
coal from, analyses of 27 
mountains of 101 
Alaska, Perseverance Company, operations 
of 37-38 
Alaska Range, railway route over 15 
Alaska Transportation and Coal Company, 
operations of 102 
Alaska Treasure Consolidated Mines Com- 
pany, operations of 40 
Alaska-Washington Gold Mining Company, 
operations of 35 
Albatross (U. S. S.), Ilerendeen Bay coal 
used by 102, 107 
Alexandria gold claim, work on 44 
Allen, E. T., analysis of coal by 113 
Alsek River basin, radway routes in 11-13 
Amazon gold claim, work on 43 
American Coral MarbleCompany, work of. . 50 
American Creek, gold placers on 126 
Anthracite coal, Bering River coal field 68-70 
Matanuska Valley 90-92,97,98 
comparison of, with Pennsylvania 
anthracite 97 
Page. 
Anvil Creek, gold mining on 134-135 
Apollo Consolidated mine, closing of 6 
Arctic Creek, gold mining on 136 
Arctic Mining and Trading Company, oper- 
ations of 143 
Argosy copper claim, ores at 50 
Asbestos, tremolite, occurrence of 150 
Ashburner, C. A., on Pennsylvania anthra- 
cite 9/ 
Auriferous lode mining, extent of 6 
report on, in southeastern Alaska 30-54 
Aurora Borealis gold mines, operations at. 35 
Azurite, occurrence of 80 
B. 
Bach gold claims, location of 41 
Bailey Bay, hot spring at • 60 
Baker Creek, gold placers on 126 
Baranof Island, gold prospects on 46 
hot springs on 60 
Bartells Tin Mining Company, operations 
of 150,152 
Beach mining, extent of 7 
Bear gold mine, Juneau district, operations 
at 32 
Bear lode, description of 149 
Bearpaw River, gold on 125 
transportation to 125 
Beaver Creek, description of 129 
prospecting on 131 
Benin Canal, hot and mineral springs on... 60 
Bell Island, hot springs on 60 
Bering Creek, g >ld mining on 139 
Bering Lake, sections near 73 
Bering River coal field, area of 20 
coal 1 icds in 68-73 
coal of, analyses of 27 
character of 20, 29, 73-75 
thickness of 20 
transportation and markets for 76-77 
ex ten t of 65 
geologic sections in 65-G7 
map of 66 
mining conditions in 75-76 
railway route to 15 
report on... 65-77 
structural features of 68 
Bering Sea, ice limit in 102 
Berners Bay, gold mining near 31-34 
Berners Bay Mining and Milling Company, 
operations of 32-33 
Bessie Gold Mining Company, operations of 35 
Big Hurrah Creek, gold mining on 137 
Big Hurrah mine, operations of 137 
Birch Creek, description of 129 
159 
