er, 40, 42, 47, 49, 198-199, 201-203, 207, 208
gold, 222
graphite, 281, 283
manganese, 175, 176-177
petroleum, 133
phosphates, 105
sapphires, 293
silver, 42, 234, 237, 314
zinc, 42, 216, 219

Monte Amiata district, Italy, mercury ores, 257

Morenci-Metcalf district, Arizona, copper ores, 38, 198

Mother Lode district, California, gold ores, 229, 308, 316

Munitions Resources Commission of Canada, 404

Nancy, France, iron ores, 161

National Academy of Sciences, 407

National Conservation Commission, 367

National district, Nevada, antimony ores, 249

Nationalization of mineral resources 345-347, 375-376, 377-378, 382, 388

Natural abrasives, 267-270, 397

Natural gas, 57, 151

Nebraska, potash, 112, 114

Netherlands. _See_ Holland, Dutch East Indies, etc.

Nevada, alunite, 39, 41-42, 114
antimony, 247, 249
bismuth, 253
borax, 275, 276
copper, 41, 199, 203
diatomaceous earth, 269
gold, 36, 222, 230, 308, 311-312
graphite, 281
grinding pebbles, 268
mercury, 357
oil shales, 151
platinum, 239-240
silver, 36, 38, 234, 235-237, 308, 311-312
tungsten, 183
turquoise, 293
zinc, 216

New Almaden, California, mercury ores, 259

New Brunswick, gypsum, 283-284

New Caledonia, chromite, 178-179 nickel, 180-182

New Cornelia, Arizona, copper ores, 203

Newfoundland, iron ores, 52-53, 160, 166
laws relating to ownership of mineral resources, 344

New Hampshire, fluorspar, 194
garnet, 268
mica, 287

New Idria, California, mercury ores, 259

New Jersey, arsenic, 250
basalt, 82
clay, 85
iron, 171
sand and gravel, 85
zinc, 215, 220

New Mexico, copper, 199, 203
fluorspar, 194
silver, 234
uranium and radium, 265-266
zinc, 216

New South Wales, Australia, bismuth, 252-253
coal, 115, 116
lead, 209, 210, 212
platinum, 238
zinc, 214, 216

New York,
arsenic, 250, 251
emery, 268, 270
garnet, 268
graphite, 281, 282
gypsum, 284
iron, 160, 162, 163, 171
limestone, 83
millstones and buhrstones, 269
petroleum, 132, 133
pyrite, 108
salt, 294, 297
sandstone, 84
talc, 299

New Zealand,
bismuth, 252
phosphates, 105
platinum, 238
tungsten, 183

New Zealand, laws relating to ownership of mineral resources, 343