rite, 272
bauxite, 242, 245
cement, 87
chalk, 83
coal, 115-117, 127
coal and iron situation under Peace Treaty, 400-403
fluorspar, 194
grinding pebbles, 268
gypsum, 283
iron, 154, 160-162, 163, 166-167, 402-403
manganese, 176
millstones and buhrstones, 269
molding sand, 84
oil shales, 150
phosphates, 104, 105
potash, 111-113
salt, 294
talc, 299
vanadium, 187
zinc, 214

France, control of various minerals in other countries, 64, 104-105,
178, 180, 210, 215, 222, 238, 247, 261, 280
laws relating to ownership of mineral resources, 343
relative position in regard to supplies of minerals, 399

Franklin Furnace, New Jersey, zinc ores, 215-216, 220

"Freestone," 84

French Guiana, bauxite, 242

Fuel ratio of coal, defined, 120

Fuller's earth, 278-279, 397

Gabbro, 19, 82

Gale, Hoyt S., 111

Galena dolomite, Wisconsin, zinc ores, 217

Galicia, petroleum, 128, 129
potash, 112

Ganister, 84, 91, 195

Garnet, 267, 268, 270, 398

Gas, natural, 57, 151

Georgia, asbestos, 271, 272
barite, 273
bauxite, 243, 245
corundum, 270
fuller's earth, 279
marble, 83

Georgia granite, volume change in weathering of, 21

Germany, arsenic, 250-251
barite, 272-273
bismuth, 252
borax, 275, 277
bromine, 277, 278
cadmium, 253, 254
cement, 87
coal, 115-117, 127, 400-403
copper, 9, 52, 197-198, 206
fluorspar, 194
gypsum, 283
iron, 154, 160-162, 402-403
lead, 54-55, 210-211
lignites, 379, 402
millstones and buhrstones, 269
nitrates, manufactured, 101-102
petroleum, 128
potash, 111-112
salt, 294, 297
silver, 232
tripoli and rottenstone, 269
uranium and radium, 264
zinc, 54-55, 214-215, 216
zirconium, 189

Germany, control of various minerals in other countries, 64, 174, 183,
189, 198, 211, 215, 222, 232, 257, 261, 271, 288, 387
participation of government in mineral trade, 388
relative position in regard to supplies of minerals, 399

Geysers, 72

Gilbert, Chester G., 123

Gilbert, Chester G., and Pogue, Joseph E., 119, 134, 138

Gilpin County, Colorado, uranium ores, 266

Glacial geology, application to railroad building, 418
application to road materials, 91, 418

Glacial soils, 95

Globe, Arizona, copper ores, 198