History of coal mining
The History of coal mining goes back thousands of years, and coal mining continues as an important economic activity today. Compared to wood fuels, coal yields that have higher amount of energy per ma...
History of coal mining in the United States
Anthracite (or "hard" coal) exploitation began before the War of 1812 spurred by the interest and opportunism of the Wurt brothers of Philadelphia. Burning clean and smokeless, anthracite became the p...
History of coal mining in the United States - Wikipedia