418 F.3d 910 AMERICAN BOAT COMPANY, INC.; Underwriters Insurance Company; Navigators Insurance Company, Plaintiffs?Appellants,v.UNKNOWN SUNKEN BARGE; Unknown Owner of Unknown Sunken Barge; Unknown Tower of Unknown Sunken Barge, Defendants,United States of America, Defendant?Appellee. No. 04-3388. United States Court of Appeals, Eighth Circuit. Submitted: April 11, 2005. Filed: August 16, 2005. Donald L. Dickerson, argued, Cape […]