000 | 00826n a2200265 4500 | ||
---|---|---|---|
001 | 00953296 | ||
003 | PWmBRO | ||
005 | 20240602102313.0 | ||
008 | 910802s1990 dcu b f00010 eng | ||
010 | _a 90002477 | ||
069 | _a 91045102 | ||
090 | 0 | 0 |
_aVF _b622.25/H243c |
100 | 1 | 0 | _aHanna, K. |
245 | 1 | 0 |
_aCoal mine entry intersection behavior study / _cby K. Hanna, D. Conover, and K. Haramy. |
260 | 0 |
_aWashington, DC : _bUnited States Dept. of the Interior, Bureau of Mines, _c1990. |
|
300 |
_aiii, 78 p. : _bill. |
||
490 | 1 |
_aReport of investigations ; _v9337 |
|
650 | 0 | _aShaft sinking. | |
650 | 0 | _aRock mechanics. | |
700 | 1 | 0 | _aConover, D. |
700 | 1 | 0 | _aHaramy, Khamis Y. |
830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v9337 |
|
942 | _2ddc | ||
994 | 0 | 1 | _a081002 |
999 |
_c56974 _d56974 |