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: 5d 6h 3m
Buy It Now for only: $149.76
On30 Bachmann Logging  Mining Car Wood Sided Dmp Car 3 pcs
On30 Bachmann Logging Mining Car Wood Sided Dmp Car 3 pcs
$74.99
Time Remaining: 10d 1h 40m
Buy It Now for only: $74.99
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: 11d 8h 56m
Buy It Now for only: $89.95
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: 18d 3h 32m
Buy It Now for only: $89.95
On30HO Side Dump Wagons Mining car Ore Erz Car x 3pcs 3 Stck set per box
On30HO Side Dump Wagons Mining car Ore Erz Car x 3pcs 3 Stck set per box
$69.00
Time Remaining: 19d 12h 39m
Buy It Now for only: $69.00
Banta Modelworks 2123 HOn3 Little Creek Mining Co Model Building Wood Kit
Banta Modelworks 2123 HOn3 Little Creek Mining Co Model Building Wood Kit
$50.99
Time Remaining: 23d 2h 49m
Buy It Now for only: $50.99
Bachmann On30 o 4 o Porter WITH SOUND  Logging Mining cars AND Camp Car
Bachmann On30 o 4 o Porter WITH SOUND Logging Mining cars AND Camp Car
$320.00
Time Remaining: 29d 4h 43m
Buy It Now for only: $320.00

Other On30 Scale train items recently purchased through this site:

Banta Modelworks 2123 HOn3 Little Creek Mining Co Model Building Wood Kit
Bachmann On30 Scale Train Steam Loco 2 6 0 Analog Colorado Mining Company 25262
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
Bachmann On30 o 4 o Porter WITH SOUND Logging Mining cars AND Camp Car
On30HO Side Dump Wagons Mining car Ore Erz Car x 3pcs 3 Stck set per box
S Sn3 CRAFTSMAN BUILDING STRUCTURE COEUR d ALENE MINE KIT UNSTARTED
On30 Bachmann Logging Mining Car Wood Sided Dmp Car 3 pcs