Coal : report on overseas investigations into methods of working thick coal seams, solid stowage, mechanization, practices generally in coal mines, oil from coal and amenities for miners /
Uloženo v:
| Hlavní autor: | |
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| Médium: | Kniha |
| Jazyk: | English |
| Vydáno: |
Canberra :
Govt. Printer,
1946.
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| Témata: |
| Popis jednotky: | At head of title : 1945-46 The Parliament of the Commonwealth of Australia. |
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| Fyzický popis: | 58 p. : ill. (some folded) ; 33 cm. |