(May 9, 2016, 7:34 AM EDT) -- DENVER — A landowner couple embroiled in a dispute with a hydraulic fracturing company over the right to access certain land used in a fracking operation on April 22 filed a brief in the 10th Circuit U.S. Court of Appeals arguing that the court should affirm the ruling of a district court because the company breached the contract between the parties (Denbury Onshore LLC v. Robert F. Christensen, et al., No. 15-8106, 10th Cir.)....