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 Sioux Falls, South Dakota South Sioux Falls, South Dakota South Sioux Falls was an incorporated community located in south-central Minnehaha County, South Dakota, United States until 1955. The community was centered in present-day Sioux Falls alongside the Minnesota Ave. exit of Interstate 229, stretching from 33rd Street in the north, to 57th Street in the south (43.301224, -96.284209). Its "main street" was Minnesota Ave. (South Dakota Highway 115). South Sioux Falls was founded in the spring of 1888, when Richard F. Pettigrew and S. L. Tate donated of land for the Norwegian Lutheran Normal School, now Augustana College. By February 20, 1890 South Sioux