Chesapeake Bay - Maryland State Archives

Chesapeake Bay, Maryland MARYLAND AT A GLANCE

CHESAPEAKE BAY

  • Charting the Chesapeake, 1590-1990

The Chesapeake Bay is the largest estuary in the nation and the third largest in the world. An estuary is a semi-enclosed coastal body of water with a free connection to the open sea where fresh water from inland rivers mixes with salt water from the ocean.

[photo, Seagull at pier, Chesapeake Beach, Maryland]

Boating Waters

Critical Area

Main Basin

Seafood

Water Frontage

Watershed

Seagull at pier, Chesapeake Beach, Maryland, December 2002. Photo by Diane F. Evartt. Some 35 million years ago, a bolide (an object similar to a meteor or comet) struck the present-day Delmarva Peninsula, creating a 55-mile-wide crater. The depression created by the crater changed the course of rivers and determined the location of the Chesapeake Bay. The first

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