Included four large nature style prison mines.
Approximate size of each mine is 180x180
More pictures (+default) can be found here:
In a Dream2
Mining area size: 25x25x24
Ancient Egypt mine
Mining area size: 39x39x31
Space mining
Mining area size: 35x35x31
Village mine
Mining area size: 25x25x22
If you need more mines then I can offer 4 more prison mines here ( http://www.schematicstore.com/shop/4-prison-mines )
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NB! All mines are included in one schematic file and it's fairly large so be careful when pasting in your server (i suggest to use AsyncWorldEdit plugin and /paste -a)