Description
Makes the coal carts and coal bags in the mines regenerate. Not entirely lore friendly, but you can pretend there are dwarfs still mining down there.

Install

• Install the latest version of SMAPI.
• Unzip the mod folder into Stardew Valley/Mods.
• Run the game using SMAPI.
  

Configuration
Run the game with the mod, then open the new config.json in the mod folder.

RegenEveryTime (boolean)
- False (Default) = Regens every second time you visit the floor
- True = Regens every time you visit the floor

Source
Github