| 000 | 01010n a2200301 4500 | ||
|---|---|---|---|
| 001 | 00950874 | ||
| 003 | PWmBRO | ||
| 005 | 20180324072159.0 | ||
| 008 | 910725s1990 dcu b f00010 eng | ||
| 010 | _a 90001949 | ||
| 069 | _a 91035174 | ||
| 090 | 0 | 0 |
_aVF _b669.732/D783L |
| 100 | 1 | 0 | _aDroes, S. R. |
| 245 | 1 | 0 |
_aLeaching of pyroxmangite ore with calcium fluoride and sulfuric acid / _cby S.R. Droes, K.P.V. Lei, and T.G. Carnahan. |
| 260 | 0 |
_aWashington, DC : _bBureau of Mines, U.S. Dept. of the Interior, _c1990. |
|
| 300 | _a8 p. | ||
| 490 | 1 | _aReport of investigations / Bureau of Mines, United States Department of the Interior | |
| 650 | 0 |
_aManganese _xMetallurgy. |
|
| 650 | 0 | _aPyroxmangite. | |
| 650 | 0 | _aLeaching. | |
| 650 | 0 | _aSulphuric acid. | |
| 700 | 1 | 0 |
_aLei, K. P. V. _q(Kenneth P. V.) |
| 700 | 1 | 0 |
_aCarnahan, T. G. _q(Thomas G.) |
| 830 | 0 | _aReport of investigations (United States. Bureau of Mines) | |
| 942 | _2ddc | ||
| 992 | 0 | 2 | _a2 copies. |
| 994 | 0 | 2 |
_a080703 _b080704 |
| 999 |
_c62770 _d62770 |
||