Western Pennsylvania Sand and Gravel Association. Civil action no. 780, in district court for western district of Pennsylvania, United States v. Western Pennsylvania Sand and Gravel Association et al.; complaint and consent decree.
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Western Pennsylvania Sand and Gravel Association. Civil action no. 780, in district court for western district of Pennsylvania, United States v. Western Pennsylvania Sand and Gravel Association et al.; complaint and consent decree.
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Western Pennsylvania Sand and Gravel Association. Civil action no. 780, in district court for western district of Pennsylvania, United States v. Western Pennsylvania Sand and Gravel Association et al.; complaint and consent decree.