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.
Garrett Peck, 'The Potomac River: A History And Guide' Author, Discusses River's Landmarks, Legacy. WASHINGTON -- The Potomac River has shaped history. It's also an awfully nice place to go for a hike. Both these aspects of the river are explored in a new book. Cocktail aficionado Garrett Peck -- author of  Prohibition in Washington, DC: How Dry We Werenât and leader of D.C.'s Temperance Tour -- has turned his attentions to the Potomac in his new book, The Potomac River: A History and Guide..