| http://www.w3.org/ns/prov#value | - With an expertise in finding emerging shale plays, Roxanna is fully invested in the U.S. fracking boom, partnering up with oil companies such as Shell, Marathon Oil, PetroHunt and Matador Resources to buy hundreds of thousands of acres for fracking in places ranging from the Marcellus Shale, Barnett Shale, Chainman Shale and Woodford Shale.
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