| 000 | 01038pam a2200265 i 4500 | ||
|---|---|---|---|
| 999 |
_c423 _d423 |
||
| 001 | 3730630 | ||
| 003 | Biblioteca de INTEMIN | ||
| 005 | 20180421130712.0 | ||
| 008 | 800528s1980 dcua f000 0 eng | ||
| 010 | _a 80607890 | ||
| 040 |
_aDLC _cDLC _dDLC |
||
| 050 | 1 | 0 |
_aTN23 _b.U43 no. 8491 _aTN301 |
| 082 | 0 | 0 |
_a622 s _a622/.42 |
| 086 | 0 | _aI 28.23:8491 | |
| 100 | 1 |
_aDorman, K. Robert. _9932 |
|
| 245 | 1 | 0 |
_aConstructing ventilation bulkheads with shotcreted wire panel / _cby K. Robert Dorman and Jan G. Patricio. |
| 260 |
_a[Washington, D.C.?] : _bU.S. Dept. of the Interior, Bureau of Mines, _c1980. |
||
| 300 |
_a24 p. : _bill. ; _c27 cm. |
||
| 490 | 1 |
_aReport of investigations ; _v8491 |
|
| 650 | 0 |
_aMine ventilation _xEquipment and supplies. _91420 |
|
| 700 | 1 |
_aPatricio, Jan G., _ejoint author. _91421 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v8491. _9793 |
|
| 906 |
_a7 _bcbc _corignew _du _encip _f19 _gy-gencatlg |
||
| 942 |
_2udc _cCR |
||