The Fifth Circuit held that the district court did not have admiralty jurisdiction over this action, because Gulf Coast lacked a legal claim to title or possession of the dredge, and its contract and tort claims did not constitute maritime claims, which would have afforded a basis for admiralty jurisdiction. Gulf Coast Shell & Aggregate LP v. Newlin, 623 F.3d 235, 237, 2011 AMC 421, 422 (5th Cir. 2010).