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
South Dakota "Lakota Times" as a newspaper for the local American Indian community on the Pine Ridge Indian Reservation. The newspaper, now published in New York and known as "Indian Country Today", is available in every state in the country. The "Sioux City Journal" also covers parts of South Dakota. There are nine television stations broadcasting in South Dakota; South Dakota Public Television broadcasts from a number of locations around the state, while the other stations broadcast from Sioux Falls or Rapid City. The two largest television media markets in South Dakota are Sioux Falls-Mitchell, with a viewership of 246,020, and Rapid