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.
C&O Companion. for iPhone. The 184.5 mile long Chesapeake & Ohio Canal is located along the north bank of the Potomac River, starting in Washington, DC and ending in Cumberland, MD. The canal was built between 1828 and 1850, and it operated sporadically between floods until 1924.