SimpleOreGen Mod 1.11, 1.10.2, 1.9.4 allow you to control the ore gen by the config file, spawn veins where you like, use some commands to clear terrain, count blocks, etc, and the best feature is that everything is configurable and very easy to use. You can also personalize the commands and the blocks to mine, with the help of a xml file (it will be generated with two examples - easy to understand). You can also flat the world.

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