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Forecasting methane hazards in metal and nonmetal mines /
I tiakina i:
| Kaituhi matua: | |
|---|---|
| Kaituhi rangatōpū: | |
| Ētahi atu kaituhi: | , |
| Hōputu: | Tē mōhiotia |
| Reo: | Ingarihi |
| I whakaputaina: |
Pittsburgh, Pa. :
U.S. Dept. of the Interior, Bureau of Mines,
1979.
|
| Rangatū: | Report of investigations (United States. Bureau of Mines) ;
8392 |
| Ngā marau: | |
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