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.
Most rivers in Maryland run into the Chesapeake Bay. All of Maryland's rivers have helped to guide the development of the State since its inception. Boat house on Susquehanna River, Havre de Grace, Maryland, April 2005. Photo by Diane F. Evartt.