Mine Shaft Placement
| View Cart ⇗ | Info
An illustration of horizontal and vertical mine shaft placement.
Galleries
MiningSource
Encyclopaedia Britannica (11th ed., vol. 6) (New York, NY: The Encyclopaedia Britannica Company, 1910)
Downloads
2400×971, 289.7 KiB
1024×414, 46.2 KiB
640×258, 23.9 KiB
320×129, 9.5 KiB