RICHMOND, Va. (AP) — The Chesapeake Bay Foundation says more friend-of-the-court briefs have been filed in support of a massive restoration of the estuary.

The leading advocate for the bay’s cleanup says one amicus brief has been filed by several cities, including New York, Baltimore, Los Angeles and San Francisco. A second was filed by Florida conservation groups.

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This month, Virginia’s attorney general filed an amicus brief in support of the plan.

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The briefs have been filed in the 3rd U.S. Circuit of Appeals in Philadelphia. It is considering an appeal by farm industry groups of a ruling upholding the plan.

They have been joined by attorneys general from 21 states in a suit that questions the Environmental Protection Agency’s authority to implement the plan.

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