| 000 | 00443pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 140414b1956 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_aH _bBUR |
||
| 110 | _aBUREAU OF MINES | ||
| 245 |
_aMINERAL FACTS AND PROBLEMS _c |
||
| 260 |
_aWashington _bUnited States Government Printing Office _c1956 |
||
| 650 | _a MINERALS INDUSTRIES | ||
| 650 | _a MINES AND MINERAL RESOURCES-U. S. | ||
| 650 | _aGEOLOGY | ||
| 690 | _aGEOLOGY | ||
| 906 | _a61478 | ||
| 999 |
_c55805 _d55805 |
||