| 000 | 01049n a2200277 4500 | ||
|---|---|---|---|
| 001 | 00945285 | ||
| 003 | PWmBRO | ||
| 008 | 910828s1975 waua f 010 eng | ||
| 010 | _a91055090 | ||
| 090 | 0 |
_aVF _b622.0/6173/I65m |
|
| 100 | 1 | 0 |
_aIrani, M. C. _q(Meherwan C.) |
| 245 | 1 | 0 |
_aMethane analyzer system to record continuously the methane content of coal mine ventilation air / _cby M.C. Irani, P.W. Jeran and D.H. Lawhead. |
| 260 | 0 |
_aWashington, D.C. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1975. |
|
| 300 |
_a14 p. : _bill. |
||
| 490 | 1 |
_aReport of investigations ; _v8009 |
|
| 650 | 0 |
_aMethane _xAnalysis. |
|
| 650 | 0 |
_aCoal mines and mining _xSafety measures. |
|
| 650 | 0 | _aMine ventilation. | |
| 700 | 1 | 0 |
_aJeran, P. W. _q(Paul W.) |
| 700 | 1 | 0 |
_aLawhead, D. H. _q(David H.) |
| 710 | 2 | 0 |
_aUnited States. _bBureau of Mines. |
| 810 | 2 | 0 |
_aUnited States. _bBureau of Mines. _tReport of investigations ; _v8009. |
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v8009 |
|
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a082060 |
| 999 |
_c63705 _d63705 |
||