Guiana Shield Guiana Shield The Guiana Shield is one of the three cratons of the South American Plate. It is a 1.7 billion-year-old Precambrian geological formation in northeast South America that forms a portion of the northern coast. The higher elevations on the shield are called the Guiana Highlands, which is where the table-like mountains called tepuis are found. The Guiana Highlands are also the source of some of the world's most spectacular waterfalls such as Angel Falls, Kaieteur Falls and Kuquenan Falls. The Guiana Shield underlies Guyana (previously British Guiana), Suriname (previously Dutch Guiana) and French Guiana (or Guyane), most of
American Falls, Idaho along the Snake River. The birder has excellent opportunities to see many bird species at Audubon maintained feeding stations during the winter. This trail is particularly interesting during the winter months when many birds are seeking protection from wind and harsh weather. American Falls High School is a secondary school in American Falls. In 2012, it was designated as a five star school. In 2004, Randy Jensen, Principal of William Thomas Middle School in American Falls, was awarded the National Principal of Secondary Schools Award. American Falls, Idaho American Falls is a city in and the county seat of Power