Causes and risk factors of Barrett's esophagus As with most diseases and conditions, there are certain groups of people who are at a higher risk of developing Barrett's esophagus. GERD is a condition that is closely linked to Barrett's esophagus.
Potomac River â Map & Details. print this map. Located along the mid-Atlantic coast of the United States, and flowing into the Chesapeake Bay, the Potomac River flows through Washington DC, Virginia, Maryland, Pennsylvania and West Virginia.
The District of Columbia, located on the north bank of the Potomac River, is the capital city of United States. The centers of all three branches of the U.S. federal government are located in the city, as are many of the nation's monuments and museums.