Warning that a special master’s recommendation would “spell doom” for the Apalachicola River, Florida wants the U.S. Supreme Court to require Georgia to share more water in a river system that links the two states.

Florida filed a 65-page brief Monday asking the Supreme Court to reject a December recommendation by Special Master Paul Kelly, who said Florida has not adequately shown that Georgia’s water use caused problems in the Apalachicola River and Apalachicola Bay.