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 Potomac River, which flows through West Virginia, Maryland, Virginia, and Washington, DC   The Delaware River constitutes in part the boundary between Pennsylvani â¦ a and New York, the entire boundary between New Jersey and Pennsylvania, and most of the boundary between Delaware and New Jersey. Jeff Acklin.onfidence votes 575. The Potomac River is located in 4 states. The river forms part of the borders between Washington, D.C. and Virginia on the left descending bank and Maryland and Virginia on the river's right descending bank.