Nalaganje...
A cost comparison of selected coal mines from Australia, Canada, Colombia, South Africa, and the United States.
Shranjeno v:
Korporativna značnica: | United States. Bureau of Mines |
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Format: | Knjiga |
Jezik: | angleščina |
Izdano: |
[Washington, D.C.] :
United States Dept. of the Interior, Bureau of Mines,
1993.
|
Serija: | Special publications.
Special publication (United States. Bureau of Mines). |
Teme: | |
Oznake: |
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