ANSWER Trivia Q: Richmond Main Colliery once the largest shaft mine in the Southern Hemisphere, is heritage listed.

GreatNorthWalk (ASK GNW):ANSWER Trivia Q: Richmond Main Colliery once the largest shaft mine in the Southern Hemisphere, is heritage listed. 32°51′34″S,151°28′31″E

See original: ANSWER Trivia Q: Richmond Main Colliery once the largest shaft mine in the Southern Hemisphere, is heritage listed.