Cutter roof failure : six case studies in the Northern Appalachian Coal Basin /
I tiakina i:
| Kaituhi matua: | |
|---|---|
| Hōputu: | Tē mōhiotia |
| Reo: | Ingarihi |
| I whakaputaina: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
[1990]
|
| Rangatū: | Information circular (United States. Bureau of Mines) ;
9266. |
| Ngā marau: | |
| Tags: |
Tāpirihia he Tūtohu
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|
Matheson Library
| Tau karanga: |
622.334 B344c
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|---|---|
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Tārua
On Shelf
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