Mine Upgrade Area

Located in the shop you can purchase these books to upgrade your mine

Mine Upgrades
Mine cart increases the amount of raw rocks you get

Belt increases the speed of all the wash plant parts

Elevator: Spits out fewer rocks when carrying up to the grinder

Grinder: Destroys a lesser amount of ore from the rocks dumped into it

Sifting table: You lose fewer ore/gemstones through the table

Power grid: Improves the efficiency of the power gems you use for the wash plant, making everything run just a bit longer.