| 000 | 00645nam a2200169 4500 | ||
|---|---|---|---|
| 001 | 0000000515 | ||
| 008 | 091219 -us eng | ||
| 020 | _cUSA0.60 | ||
| 090 | 0 | 0 |
_a662.34 _bJAC |
| 100 | 1 | _aJackson, Chas.F | |
| 245 | 1 | 0 |
_aMetal-Mining Practice _bBullutin 419 _cChas.F. Jackson , J.H. Hedges |
| 260 |
_aWashington _bUnited States Government Printing Office _c1939 |
||
| 300 |
_ax, 512 p. _bill. incl. plans, tables, diagrs., plates _c23cm |
||
| 500 | _aincludes index, consolidates and analyzes information on mining methods | ||
| 650 | 0 |
_aMining engineering, _xTechnologies of explosives _zUnited States |
|
| 700 | 1 | _aJ. H. Hedges | |
| 999 |
_c17905 _d17905 |
||