Ara Leisure Services Outdoor World, Ltd., National Union Fire Insurance Company of Pittsburgh Central National Life Insurance Company of Omaha, Nebraska v. United States of America, National Park Service Blue Bird Body Company, a Georgia Corporation, Ara Leisure Services Outdoor World, Ltd. National Union Fire Insurance Company of Pittsburgh Central National Life Insurance Company of Omaha, Nebraska v. United States of America, and Blue Bird Company, a Georgia Corporation

831 F.2d 193 ARA LEISURE SERVICES; Outdoor World, Ltd., National Union Fire Insurance Company of Pittsburgh; Central National Life Insurance Company of Omaha, Nebraska, Plaintiffs-Appellants, v. UNITED STATES of America, National Park Service; Blue Bird Body Company, a Georgia Corporation, Defendants-Appellees. ARA LEISURE SERVICES; Outdoor World, Ltd.; National Union Fire Insurance Company of Pittsburgh; Central National Life Insurance Company of Omaha, Nebraska, Plaintiffs-Appellees, v. UNITED STATES of America, Defendant, and Blue Bird Company, a Georgia Corporation, Defendant-Appellant. Nos. 86-3933, 86-3979. United States Court of Appeals, Ninth Circuit. Argued and Submitted June 1, 1987. Decided Oct. 28, 1987. Marcus R. Clapp, Fairbanks, Alaska, for plaintiffs-appellants. Edward R. Cohen, Washington, D.C., for defendants-appellees. Howard Staley, Fairbanks, Alaska, for defendant-appellant. Appeal from the United States District Court for the District of Alaska. Before POOLE, FERGUSON and CANBY, Circuit Judges. CANBY, Circuit Judge: 1 Appellant ARA Services, Inc. (ARA) and Cross-Appellant Blue Bird Body Company (Blue Bird) appeal the district court's grant of summary judgment…