446 
INDEX. 
Page. 
Marysville district, Montana, 1< >cat i< m of. 88 
ores of- 89 
Maxwell, H. V., cited . . - - — - 58,60 
Maynardville, Tenn., marble near 368 
Medicine Bow Range, Wyoming, geology 
of - 95-96 
platinum in copper ores in 944)7 
topography of 95 
Mendenhall, W. C, cited 278 
paper by. -- --- 71-75 
Mendenhall, W. C, and Schrader, F. C, 
paper by 141-148 
Mesabi district, Minnesota, iron ores in 247-249 
Metalliferous ores, investigations of 15-28 
Metcalf , Ariz . , copper deposits at 138 
Mica, publications concerning, list of., 439-440 
Michigan, coal fields in, area and produc- 
tion of.. -- 258 
iron deposits in. 249-250 
Middleway , W. Va., slate beds near 364 
Miller Gulch, Alaska, gold deposits on... 72-73 
Millersburg, Ind., coal beds near 285, 288 
Mine Hill, Franklin furnace, New Jer- 
sey, zinc ores at.. 214-217 
Mineral resources, reports on, character 
of 14 
Mineral wool, manufacture of, from iron 
slag — - 227-228 
Minook Creek, Alaska, coal beds on 279-280 
gold mining on 50,55 
Mission Creek, Alaska, coal-bearing rocks 
near 277 
Mississippi, clay deposits of 382-391 
Mississippi Valley, work in 26,30 
Missouri, bituminous deposits in 301 
coal fields in, area and production of. 258 
lead deposits in 20,197-204 
work in 20,30 
zinc deposits in 20, 197 204 
Mohawk Mining Company, operations of 78 
Monographs of U. S. Geological Survey, 
character of 10 
Monongahela Valley, Pennsylvania, coal 
beds of.. 271-272 
Montana, coal in (57 
coal fields in, area and production of 258 
copper deposits in 67,68,17(1 L80 
gold in 67-70,88-89 
lead deposits in 67 
ore deposits in 21, 66-70 
silver in 67-70 
work in 26-27,30 
Monte Cristo, Wash. , ore deposits at 22 
Monte Cristo Creek, Alaska, copper de- 
posits on 147 
Moose Mountain district, Canada, iron 
oresin 250 
Morenci, Ariz., copper deposits near... 133-140 
gold deposits near. 140 
Mosquito Creek, Florida, fuller's earth 
bedson ._ 395 
Mount Wrangell region, Alaska, copper 
deposits of 141-148 
explorations of 141-142 
geography of 141-142 
geology of 142-144,147 
Page. 
Mount Zirkel shaft, Pearl, Colo., copper 
deposits at 166-167 
Mule Mountains, Arizona, geology of . . 149-150 
Mundic. See Marcasite and Pyrite. 
Murray, J. R., cited.... 119 
N. 
Nabesna River, Alaska, copper deposits 
near 147-148 
Nation River, Alaska, coal beds on. 278 
Nebraska, coal fields in, area and produc- 
tion of 258 
Neocene rivers of the Sierra Nevada, 
paper on 64-65 
Nevada, gold mining in 81-87 
tungsten ore in 103 
work in 27 
New Jersey, copper deposits in 182-183 
manganese deposits in 214-217 
zinc deposits in 214-217 
New Mexico, coal fields in, area and pro- 
duction of 258 
Nickel, publications concerning, list of . . 104 
Nicolai copper mine, Alaska, features of. 144 
Nitze and Wilkens, cited. 57 
Nohatatiltin coal bed, Alaska, character 
of coal from 280 
North Carolina, coal fields in, area and 
production of 257 
copper deposits in.. 184-185 
iron oresin 243-246 
talc deposits of 433-438 
Nulato, Alaska, coal bed at 281 
O. 
Oak Ridge, California, oil field near 317-318 
( >cher, analyses of 431 
deposits of, Georgia 427-432 
manufacture of, processes employed 
in 432 
Ogdensburg, N. J., zinc mines at 214,217 
Ohio, coal fields in, area and production 
of. 258 
petroleum deposits in 336-344 
Oil. See Petroleum. 
Oil fields, investigations of 30 
Oil City petroleum field, California, fea- 
tures of 307-308 
Omega Creek, Alaska, gold indications on 50,55 
Ophir Creek, Alaska, gold deposits on . . . 46 
Oquirrh Range, Utah, geography and 
geology of 106-112 
Oregon, coal fields in, area and production 
of... 258 
ore deposits in 22 
work in 30 
Ozark region, work in 30 
Ozocerite, composition of 298 
P 
Pacific coast, work on 30 
Paint stock, manufacture of, from iron 
slag.. 228-229 
See also Ocher. 
Palache, Charles, work done by 23 
Paris, Tenn., clay pits near 
