We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'mining train'.

Bachmann On30 Scale Train Steam Loco 2 6 0 Analog Colorado Mining Company 25262
Bachmann On30 Scale Train Steam Loco 2 6 0 Analog Colorado Mining Company 25262
$149.76
Time Remaining: 2d 10h 47m
Buy It Now for only: $149.76
S Sn3 CRAFTSMAN BUILDING  STRUCTURE  COEUR d ALENE MINE KIT  UNSTARTED
S Sn3 CRAFTSMAN BUILDING STRUCTURE COEUR d ALENE MINE KIT UNSTARTED
$89.95
Time Remaining: 7d 13h 40m
Buy It Now for only: $89.95
Bachmann On30 Scale Train Stearns Heisler DCC Equipped Colorado Mining Co 28801
Bachmann On30 Scale Train Stearns Heisler DCC Equipped Colorado Mining Co 28801
$187.07
Time Remaining: 19d 14h 20m
Buy It Now for only: $187.07
Bachmann On30 Scale Train Mining Wood Side Dump Cars 3 per box 29801
Bachmann On30 Scale Train Mining Wood Side Dump Cars 3 per box 29801
$69.44
Time Remaining: 19d 14h 20m
Buy It Now for only: $69.44
Bachmann On30 Scale Train Logging  Mining Cars V Dump Cars 3 per box 29802
Bachmann On30 Scale Train Logging Mining Cars V Dump Cars 3 per box 29802
$66.27
Time Remaining: 19d 14h 20m
Buy It Now for only: $66.27
O SCALE WISEMAN MODEL SERVICES GRAND CENTRAL GOLD MINE INTERIOR KIT On3 On30
O SCALE WISEMAN MODEL SERVICES GRAND CENTRAL GOLD MINE INTERIOR KIT On3 On30
$124.95
Time Remaining: 21d 15h 23m
Buy It Now for only: $124.95
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
$89.95
Time Remaining: 29d 8h 16m
Buy It Now for only: $89.95

Other On30 Scale train items recently purchased through this site:

Bachmann On30 Scale Train Steam Loco 2 6 0 Analog Colorado Mining Company 25262
Bachmann On30 Scale Train Logging Mining Cars V Dump Cars 3 per box 29802
Bachmann On30 Scale Train Stearns Heisler DCC Equipped Colorado Mining Co 28801
Bachmann On30 Scale Train Mining Wood Side Dump Cars 3 per box 29801
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
O SCALE WISEMAN MODEL SERVICES GRAND CENTRAL GOLD MINE INTERIOR KIT On3 On30
S Sn3 CRAFTSMAN BUILDING STRUCTURE COEUR d ALENE MINE KIT UNSTARTED