Lignite Coal
![Image shows a sample of lignite on a rock background](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/ligniteB_2010_dp.jpg?itok=dDS85k1T)
Detailed Description
A sample of lignite, the lowest rank of coal. It is primarily mined for burning in steam-generation power plants. 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