Salt Lake County, Utah. Salt Lake County is a county located in the U.S. state of Utah. As of the 2010 census, the population was 1,029,655, making it the most populous county in Utah. Its county seat and largest city is Salt Lake City, the state capital. The county was created in 1850.
The Amazon. The Amazon River is the largest river in the world by volume, with a total river flow greater than the next top ten largest rivers flowing into the ocean combined. The Amazon River accounts for approximately 1/5 of the world's total river flow, and it has the largest drainage basin in the world. Mar 20 08, 8:50 AM.
The Parana River. The Parana is the 14th-longest river in the world, flowing 2,485 miles across southeastern South America. It begins at the junction of the Paranaiba and the Rio Grande rivers, flows southwest to the Paraguay River, then south and east through Argentina to the Uruguay River and the Rio de la Plata. On This Site.  The 25 Longest Rivers in the World  The River as a Lifeline  The River as a Boundary  Geography links.