Coal Mine
| View Cart ⇗ | Info
An anthracite coal mine. Anthracite is a variety of mineral coal known by its high luster.
Galleries
MiningSource
Wilbur F. Gordy A History of the United States for Schools (New York, NY: Charles Scribner's Sons, 1916)
Downloads
2400×1683, 1.2 MiB
1024×718, 172.2 KiB
640×448, 83.5 KiB
320×224, 26.4 KiB