Before over-fishing and pollution damaged its ecosystem, this entire body of water could be filtered by its oyster population in only three days.
Before over-fishing and pollution damaged its ecosystem, this entire body of water could be filtered by its oyster population in only three days. European explorers in the early 1600s reported oyster reefs stacked so high they could breach a ship's hull. For ten points, name this largest estuary in the United States, enlarged by a meteor about 35 million years ago, which is a watershed for the Rappahannock, York, James, Potomac, and Susquehanna rivers.
Before over-fishing and pollution damaged its ecosystem, this entire body of water could be filtered by its oyster population in only three days.
{Chesapeake Bay}