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01434nam a2200433 4500 |
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21-0013856 |
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20040827151818.0 |
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981128 1989 0 eng |
020 |
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|a 0-660-13355-5
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|a 00-2145
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|a 2145
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090 |
0 |
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|a 622.28 B564
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|a 606028
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111 |
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|a CANADA CENTRE FOR MINERAL AND ENERGY TECHNOLOGY, CANADIAN INSTITUTE OF MINING AND METALLURGY, ONTARIO MINISTRY OF NORTHERN DEVELOPMENT AND MINES, PROCEEDINGS OF THE INTERNATIONAL CONFERENCE
|d NOVEMBER, 1989
|c TIMMINS, ONTARIO
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245 |
1 |
0 |
|a SURFACE CROWN PILLAR EVALUATION FOR ACTIVE AND ABANDONED METAL MINERS
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250 |
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|a 1
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260 |
0 |
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|a ,
|c 1989
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300 |
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|a 216 p. ill.
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440 |
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|a Canada Centre for Mineral and Energy Technology, Special Publication SP89-05.
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500 |
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|a COPIES: 1.
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650 |
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4 |
|a Mineral industry.
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650 |
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|a Land use
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650 |
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|a Planning
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650 |
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0 |
|a Mining geology
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650 |
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4 |
|a Mining
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650 |
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4 |
|a Reclamation.
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650 |
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4 |
|a Mines
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650 |
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|a Pillars.
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650 |
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|a Surface crown pillars.
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650 |
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0 |
|a Rock mechanics
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650 |
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4 |
|a Geophysical methods.
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650 |
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4 |
|a Subsidence.
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650 |
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4 |
|a Abandoned Mines.
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650 |
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0 |
|a Engineering geology
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651 |
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4 |
|a Canada
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700 |
1 |
0 |
|a Betournay, M. C.
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710 |
2 |
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|a Canada Centre for Mineral and Energy Technology
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710 |
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|a CANMET
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|a 622.28 B564
|w XDEWEY
|c 1
|i 21-00013062
|l XHAMON
|m XDNR
|r Y
|s Y
|t XCIRC
|u 29/9/2005
|x XGOVDOC
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