Mines and quarries

Coal mines and stone quarries. The map has 3 so far, 3 of them historic or vanished.

• Franceville coal mineEl Paso County · Historic or vanished · map
• Madge QuarryDouglas County · Historic or vanished · map
• McFerran coal minesEl Paso County · Historic or vanished · map

Know of one that's missing? Tell us.