| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c2950 _d2950 |
||
| 003 | Biblioteca-INTEMIN | ||
| 005 | 20180523144404.0 | ||
| 008 | 180523b xxu||||| |||| 00| 0 eng d | ||
| 080 | _a622.25:553.64 | ||
| 100 |
_aPopper, George H. _96689 |
||
| 245 |
_aPhosphate resource potential for borehole mining in the southeastern coastal plain _cPopper, George H. |
||
| 260 |
_aWashington _bBureau of mines _c1985 |
||
| 650 |
_aMINERIA _965 |
||
| 650 |
_aPOZOS _96690 |
||
| 650 |
_aFOSFATO _91548 |
||
| 942 | _cBK | ||