Brown coal (lignite) - Stock Image - E415/0293 - Science Photo Library

Brown coal (lignite). This form of coal has a high moisture and ash content, and is a more polluting form of coal than the higher (black) grades of coal. JEAN-CLAUDE REVY, ISM/SCIENCE PHOTO LIBRARY

1,200+ Brown Coal Lignite Stock Photos, Pictures & Royalty-Free Images - iStock

Brown coal (lignite) - Stock Image - C008/4297 - Science Photo Library

Brown coal (lignite) - Stock Image - E415/0293 - Science Photo Library

30,864 Brown Coal Royalty-Free Images, Stock Photos & Pictures

Pieces Lignite Brown Coal Mine Germany Stock Photo 699900052

6,900+ Lignite Coal Stock Photos, Pictures & Royalty-Free Images - iStock

3,053 Brown Coal Lignite Royalty-Free Images, Stock Photos & Pictures

1,200+ Brown Coal Lignite Stock Photos, Pictures & Royalty-Free Images - iStock

Lignite coal isolated hi-res stock photography and images - Alamy

Brown coal (lignite) - Stock Image - E415/0293 - Science Photo Library

1,200+ Brown Coal Lignite Stock Photos, Pictures & Royalty-Free Images - iStock

Lignite coal hi-res stock photography and images - Alamy

Brown coal (lignite) - Stock Image - E415/0293 - Science Photo Library