| Label | Id | |
|---|---|---|
| bituminous coal | D003031 | |
| bituminous coals | D003031 | |
| brown coal | D003031 | |
| brown coals | D003031 | |
| coal | D003031 | |
| coal, bituminous | D003031 | |
| coal, brown | D003031 | |
| coal, lignitious | D003031 | |
| coal, peat | D003031 | |
| coal, soft | D003031 | |
| coals | D003031 | |
| coals, bituminous | D003031 | |
| coals, brown | D003031 | |
| coals, lignitious | D003031 | |
| coals, peat | D003031 |