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 longest river in the world is the Nile River, it reaches around 6650 kilometers in length (4132 miles). More Nile River facts. The second longest river in the world is the Amazon River, it reaches around 6400 kilometres in length (4000 miles). More Amazon River facts. The longest river in the USA is the Missouri River, stretching around 2,340 miles (3,770 km) in length (slightly longer than the Mississippi River).