Coal (commodity) from Transdanubia, Hungary
Hungary | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
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Hungary | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
| |
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