Cannel Coal at the USGS National Center
Detailed Description
Cannel coal used to be popular as a fireplace coal because it had little smoke and thus had less Koffing and Weezing present... Image Credit: Alex Demas, USGS.
Cannel coal used to be popular as a fireplace coal because it had little smoke and thus had less Koffing and Weezing present... Image Credit: Alex Demas, USGS.