| Español | Inglés | |
|---|---|---|
| General | ||
| General | hullera [f] | colliery |
| General | hullera [adj/f] | coal |
| General | hullera [adj/f] | containing or relating to soft coal |
| Engineering | ||
| Engineering | hullera [f] | coal-work |
| Engineering | hullera [f] | colliery |
| Engineering | hullera [f] | coal mine |
| Geology | ||
| Geology | hullera [f] | colliery [uk] |
| Geology | hullera [f] | coal mine |
| Geology | hullera [f] | coal bed |
| Mining | ||
| Mining | hullera [f] | coalworks |
| Español | Inglés | |
|---|---|---|
| Engineering | ||
| Engineering | mina hullera | coal mine |
| Engineering | cuenca hullera | coal basin |
| Engineering | hullera a tajo abierto | strip mine |
| Mining | ||
| Mining | cuenca hullera [f] | coal-basin |
| Mining | cuenca hullera [f] | coal field |
| Mining | cuenca hullera [f] | coal basin |
| Mining | cuenca hullera [f] | coalfield |
| Mining | región hullera | coal district |
