A sample of Lignite,also called brown coal,is formed by the compression of peat | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Edward |
Bildgröße: | 3610 px × 2400 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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