| 000 | 00836nam a2200253u 4500 | ||
|---|---|---|---|
| 001 | 00766488 | ||
| 003 | PWmBRO | ||
| 005 | 20180323233946.0 | ||
| 008 | 841213s1985 mdua b f00010 eng | ||
| 050 | 0 |
_aTN295 _b.U4 no. 9020 _aTN321 |
|
| 082 | 0 |
_a622 s _a622/.5�19 |
|
| 086 | 0 | _aI 28.27:9020 | |
| 090 | 0 | 0 |
_aVF _b622.5/C515d |
| 100 | 1 | 0 |
_aChekan, G. J. _q(Gregory J.) |
| 245 | 1 | 0 |
_aDesign of bulkheads for controlling water in underground mines / _cby Gregory J. Chekan. |
| 260 | 0 |
_a[Avondale, Md.] : _bU.S. Dept. of the Interior, Bureau of Mines, _c1985. |
|
| 300 |
_aii, 36 p. : _bill. |
||
| 490 | 1 |
_aInformation circular ; _v9020 |
|
| 650 | 0 | _aMine drainage. | |
| 650 | 0 | _aMine water. | |
| 710 | 1 | 0 |
_aUnited States. _bBureau of Mines. |
| 830 | 0 |
_aInformation circular (United States. Bureau of Mines) ; _v9020 |
|
| 942 | _2ddc | ||
| 999 |
_c34449 _d34449 |
||