INDEX, 
165 
Page. 
Lignite, Chicago Creek 1 41 
deposits of 20 
efficiency of, as fuel, compared with oil. 25 
Little Sushitna River 96 
Lignite Creek, coal on 113 
Limestone, deposits of 59 
Limestone Inlet, gold prospects at 41 
Liquid Fuel Board (U. S.), citations from 
report of 23, 24, 26 
Little Creek, gold mining on 134 
Little Delta River, prospecting on 125 
Little Sushitna River, coal on 90,96 
Lituya Bay, gold mining at 45 
Lode mining for gold, extent of 6 
in southeastern Alaska, report on 30-54 
Logan Beach, Yakutat Bay, gold at 64 
Londevan gold claims, work on 44 
Lost Chicken Creek, gold placers on 125, 126 
Lost River, transportation to 145 
Lost River area, geology of 147 
tin in 146-150 
Lucky Chance, gold deposits at 45 
Lynn Canal, railway route along 11-12 
M. 
McCreath, A. S., analyses by 99 
McDermott ditch, description of 142 
McDowell, C. B., information furnished by. 125 
McGinnis Creek, gold mining on 36 
McKenzie Arm, copper deposits near 49 
Maddrcn, A. G., work oi 2 
Magnetite, occurrence of 115, 147 
Malachite, occurrence of 80, 84 
Mamie copper mine, work at 46 
Mammoth copper mines, ores at 48-49 
work on 49 
Mammoth gold claims, location of 40 
Mansfield Gold Mining Company, opera- 
tions of 36 
Map, Alaska 4 
Alaska, southeastern 30 
Controller Bay to Prince William Sound 76 
See also localities mapped. 
Marble, deposits of 55-57 
production and prices of, on Pacific 
coast in 1904 55 
production of, in Alaska 5,9 
Marshall Pass, railway route across 14-15 
Martin, G. C, report by, on Bering River 
coal field 65-77 
report by, on markets for Alaska coal. . 18-29 
on Matanuska coal field 88-100 
work of 2, 3, 88, 89 
Martin, Lawrence, acknowledgments to 61 
work of 2 
Mastodon Creek, gold placers on 126 
Matanuska Ri vor , description of 88 
railway route along 15 
Matanuska River coal field, accessibility 
of 88-89, 100 
area of 20 
coal in, analyses of 27,98-99 
character of 20, 29, 97 
coking qualities of 97 
thickness of 20 
Page. 
Matanuska River coal field, geology of 89 
location and extent of 88 
mining conditions in 100 
preliminary report on 88-100 
prospecting in 9 
railway route to 16 
transportation and markets for 100 
Matanuska River Valley, fossils in 89 
Jurassic rocks in 89 
map of 91 
Oligocene rocks in 89 
structure of 90 
Tertiary rocks in 89, 90 
timber in 88, 100 
view in 16 
Mellen Mining Company, operations of 33 
Melsing Creek, gold mining on 139 
Mendenhall, W. C, on Mesozoic rocks near 
Bubb and Caribou creeks 89 
Mendenhall, W. C, and Schrader, F. C, on 
copper deposits of the Chitina 
district 8 
Mentasta Pass, railway route across 13-14 
Mexican gold mine, operations at 39 
Mica, occurrence of 148, 149, 150, 151 
Midnight Sun Mining and Ditch Company, 
ditch of 142 
Miller Creek, copper prospects on 50 
Miller gold mine, work at 44 
Miller marble claims, location of 57 
Mineral Creek, gold near 86 
Mineral deposits, map showing location of. . 4 
Mineral springs, occurrence of 60 
Mineral water, production of 9 
Miners River, nickel near 86 
Mining, cost of, Fairbanks region 122 
cost of, York tin region 156 
methods of, Buck Creek 156 
Council region 138 
Fairbanks region 120-122 
Fortymile region 126 
Herendeen Bay coal field 106 
Kougarok River 140 
Matanuska coal field 100 
Melsing Creek 139 
Nome 135 
Prince William Sound 81-82 
Solomon River 136, 137 
Tin City and vicinity 152 
Minook Creek, work on 126 
Mint River, tin prospects on 157 
Miocene ditch, length of 141 
Miocene Ditch Company, operations of 135 
Miocene rocks, Unga Island 104 
Moffit, F. II., on coal beds 20 
report by, on gold mining on Seward 
Peninsula 132-144 
work of 3,132 
Moira Sound, copper deposits at 50 
Molybdenite, occurrence of 148 
Monazite, occurrence of 157 
Montana Creek, gold mining on 36, 126 
Moonlight ditch, description of 142 
Moose Creek (Kantishna region), gold on. . . 125 
transportation to 125 
