12221 - Unprepared (Raw) bituminous coal
1222101 - - Unprepared (Raw) bituminous coal, for use without preparation
1222103 - - Unprepared (Raw) bituminous coal, for Preparation at other establishments
12222 - Prepared bituminous coal
1222201 - - Prepared bituminous coal, Mechanically cleaned by wet-washing, Pneumatic, or other Methods
1222217 - - Other Prepared bituminous coal (Mechanically crushed, Screened, or Sized only)