| 000 | 01114cam a2200277 a 4500 | ||
|---|---|---|---|
| 999 |
_c4552 _d4552 |
||
| 001 | 4782001 | ||
| 003 | Biblioteca de INTEMIN | ||
| 005 | 20180714211542.0 | ||
| 008 | 860922s1987 paua b f000 0 eng | ||
| 010 | _a 86600352 | ||
| 040 |
_aDLC _cDLC _dDLC |
||
| 050 | 0 | 0 |
_aTN23 _b.U43 no. 9075 _aTN288 |
| 082 | 0 | 0 |
_a622 s _a622/.28 _219 |
| 086 | 0 | _aI 28.23:9075 | |
| 100 | 1 |
_aAllwes, Richard A. _92409 |
|
| 245 | 1 | 0 |
_aArch canopy design procedure for rehabilitation of high-roof-fall areas / _cby Richard A. Allwes, C.P. Mangelsdorf, and Deno M. Pappas. |
| 260 |
_aPittsburgh, Pa. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1987. |
||
| 300 |
_aiii, 51 p. : _bill. ; _c28 cm. |
||
| 490 | 1 |
_aReport of investigations / United States Department of the Interior, Bureau of Mines ; _v9075 |
|
| 504 | _aBibliography: p. 49. | ||
| 650 | 0 |
_aMine roof control. _9691 |
|
| 700 | 1 |
_aMangelsdorf, C. P. _93100 |
|
| 700 | 1 |
_aPappas, Deno M. _93008 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v9075. _9793 |
|
| 906 |
_a7 _bcbc _corignew _d1 _encip _f19 _gy-gencatlg |
||
| 942 |
_2udc _cCR |
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