Definition.com
Mining is a business where people often put more into the ground than they take out of it.
Mining is a business where people often put more into the ground than they take out of it.
The roller coaster was first built in 1827 to carry coal from a mine to boats below.



Gold has been mined to the tune of 50% from a single plateau in South Africa: Witwatersrand.
What do you call a retired miner?Doug