Reserves added to the system in the 1990s

During the 1990s, the following reserves were added to the system: four sites on the James River, Virginia (1991); North Inlet-Winyah Bay and ACE Basin, South Carolina (1992); two sites in Delaware (1993);  Jacques Cousteau Reserve, New Jersey (1998); Kachemak Bay, Alaska (1999); Grand Bay, Mississippi (1999); and Guana Tolomato Matanzas, Florida (1999).