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| LEADER |
00637cam a2200169 4500 |
| 008 |
180816s1987 xxua 000 0 eng d |
| 040 |
|
|
|a CaNSHDOM
|
| 090 |
|
|
|a 553.24 G29
|
| 099 |
|
|
|a 1519804
|
| 245 |
0 |
4 |
|a The geology of roof falls :
|b a training guide
|
| 260 |
|
|
|a [s.l.] :
|b [s.n.],
|c 1987.
|
| 300 |
|
|
|a [11] p. :
|b ill., 52 slides.
|e +1 cassette tape.
|
| 500 |
|
|
|a Slides accompanied by slide presentation text, and cassette tape.
|
| 500 |
|
|
|a Includes bibliographical references.
|
| 650 |
|
0 |
|a Coal mines and mining
|x Safety measures
|
| 650 |
|
0 |
|a Mine roof control
|
| 999 |
|
|
|a 553.24 G29
|w XDEWEY
|c 1
|i 1519804-1001
|l XHAMON
|m XDNR
|r Y
|s Y
|t XCIRC
|u 16/8/2018
|
