Thanks for your question. If you sold both the surface here and the minerals then he is the owner of the property. Look here and see what it is you pruchased and then what you conveyed. The documents control here.

If you sold it to him then I am afraid I can't see that you have any recourse here. He could argue that you received consideration here for your sale to him. It would make it very difficult to argue otherwise if the documents support a sale here. Once he is the owner he can sell them to anybody he wants as he is the owner. I wish that I could tell you otherwise..

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