South America the Darién watershed along the Colombia–Panama border, although some may consider the border instead to be the Panama Canal. Geopolitically and geographically all of Panama – including the segment east of the Panama Canal in the isthmus – is typically included in North America alone and among the countries of Central America. Almost all of mainland South America sits on the South American Plate. South America is home to the world's highest uninterrupted waterfall, Angel Falls in Venezuela; the highest single drop waterfall Kaieteur Falls in Guyana; the largest river (by volume), the Amazon River; the longest mountain range, the
Sioux Falls, South Dakota century was fueled by agriculturally based industry, such as the Morrell plant and the nearby stockyards (one of the largest in the nation). In 1955 the city decided to consolidate the neighboring incorporated city of South Sioux Falls. At the time South Sioux Falls had a population of nearly 1,600 inhabitants, according to the 1950 census. It was third largest city in the county after Sioux Falls and Dell Rapids. By October 18, 1955 South Sioux Falls residents voted 704 in favor and 227 against to consolidate with Sioux Falls. On the same issue, Sioux Falls residents voted on November