Court of Appeals for the Third Circuit December 23, 2004, 04-1247 (Usx Corporation and U.S. Steel Mining Company, Inc. v. Jo Anne B. Barnhart, Commissioner of Social Security)

OPINION OF THE COURT

CHERTOFF, Circuit Judge.

Appellants USX Corporation (USX) and U.S. Steel Mining Company, Inc; (USSM),

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plaintiffs below, challenge several decisions by the District Court granting summary judgment for the Commissioner on the majority of appellants’ claims. We will affirm.

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In 1970, USX purchased the assets of the Grapevine No.