| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c2191 _d2191 |
||
| 003 | Biblioteca-INTEMIN | ||
| 005 | 20180516184539.0 | ||
| 008 | 180516b xxu||||| |||| 00| 0 eng d | ||
| 080 | _a622 | ||
| 110 |
_aU.S. Bureau of mines, Division of Minerals Environmental Technology _95555 |
||
| 245 |
_aMinerals environmental in house and contract research and development in fiscal year 1980 _cU.S. Bureau of mines, Division of Minerals Environmental Technology |
||
| 260 |
_aWashington _bBureau of mines, _c1980 |
||
| 650 |
_aMINERIA _965 |
||
| 942 | _cBK | ||