Bulletin, Utgave 692U.S. Government Printing Office, 1910 |
Innhold
Preface | 1 |
Antimony | 25 |
Barite | 41 |
Chromium | 55 |
Columbium | 73 |
Fluorspar | 95 |
Graphite | 117 |
Lead and zinc | 139 |
Lithium | 157 |
Manganese | 177 |
Molybdenum | 191 |
Phosphate rock | 211 |
Potash | 229 |
Silver | 247 |
Tin and tantalum | 267 |
Titanium zirconium and hafnium | 281 |