212114 - Bituminous coal miningCAN
All examples - 212114 - Bituminous coal miningCAN
- anthracite mining
- bituminous coal mining
- bituminous coal preparation plants
- bituminous coal washeries
- coal for coking, bituminous, mine
- coal mining, bituminous
- coal, bituminous, hydraulic mining
- colliery, bituminous coal
- culm bank recovery, anthracite (except on a contract basis)
- dredging, anthracite
- hard coal underground mining
- semianthracite mine
- semianthracite surface mining
- strip mining, bituminous coal (except on a contract basis)
- thermal coal, bituminous, mining
- washeries, anthracite
