This opinion cites 2 cases:

Pennsylvania v. Delaware Valley Citizens' Council for Clean Air ( 1987 )

• Supreme Court of the United States |   Friday, June 26, 1987 |   Cited 0 times

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Pennsylvania v. Delaware Valley Citizens' Council for Clean Air ( 1986 )

• Supreme Court of the United States |   Wednesday, July 2, 1986 |   Cited 0 times

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