Coastal plain

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For the region in Virginia, see Tidewater region. For the region in Israel, see Israeli coastal plain.
Coastal plain in Albania

A coastal plain is an area of flat, low-lying land adjacent to a seacoast. One of the world's largest coastal plains is located in eastern South America.[1] The Gulf Coastal Plain of North America extends northwards from the Gulf of Mexico along the Lower Mississippi River to the Ohio River, which is a distance of about 500 miles (800 km). During the Cretaceous period, the central area of the United States was covered by a shallow sea, which disappeared as the land rose. Large fossilized aquatic birds called Hesperrnis and Ichthyornis, found in western Kansas, indicate that the shallow sea was rife with fish. the peninsular plateau is flanked by stretch of narrow coastal strips, running along the Arabian sea on the west and the bay of Bengal on the east.

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  1. ^ "coastal plain". 1996-2015 National Geographic Society.