Cannel Coal
By Communications and Publishing
2013 (approx.)
Detailed Description
Cannel coal is a type of bituminous coal that is also sometimes referred to as a type of oil shale. It's name likely came from the word "candle." Cannel coal was once used as a source for kerosene. Read more about our coal research here: https://www.usgs.gov/centers/cersc/science/us-coal-resources-and-reserves-assessment
Sources/Usage
Public Domain.
Public Domain