Photo 1 Mining means accessing Earth’s layers. Splitting slate exposes unusual fossil-faced stone. Taller flagstone hides structural elevated-roadbed posts. Shorter stone risers step up scenery to a higher mountain area. Slate cars wait to be winched up the 22% incline, held together by fines and concrete-bonding adhesive. The author’s Agriculture & Gravel Elevated also quarries […]
Modeling mines and quarries
