1. Home > 
  2. Coal Washing At Mine Field

Coal Washing At Mine Field

The coals were collected over several hours to avoid variations from such causes as differences in mining machine, sharpness of bits, etchey were put together by the rp coal con the ratio of 575-600 pounds lucerne 6 mine coal helvetia mining coand 275 pounds helen mining cooal.

Recent News

What Can I Do For You?