I think there should be level 12 Gold Mines and Elixir Collectors here's the stats i think there should be.
Level 12
Cost-336,000
Build Time-5d
Experience gained- 633
Boost Cost(gems)-14
Capacity-200,000
Hit Points-790
Time to Fill-2d 10h 5m 28s
Town Hall Level- Town Hall Eight
What are your thoughts:confused:

