According to the U.S. Census Bureau, the county has a total area of 685 square miles (1,770 km2), of which 681 square miles (1,760 km2) is land and 3.8 square miles (9.8 km2) (0.6%) is water. It is the fourth-largest county in Tennessee by area. The county is located atop the Cumberland Plateau.
Revenue passenger kilometres (RPK) is a measure of the volume of passengers carried by an airline. A revenue passenger-kilometre is flown when a revenue passenger is carried one kilometre. A passenger for whose transportation an air carrier receives commercial remuneration is called a revenue passenger.
DEFINITION of 'PKR (Pakistani Rupee)'. The currency abbreviation or currency symbol for the Pakistani rupee (PKR), the currency of Pakistan. The Pakistani rupee is made up of 100 paisa and is often represented by the symbol Rp. Also known as rupees, rupaya, or rupaye. When Pakistan became independent from Britain in 1947, the Pakistani rupee replaced the Indian rupee.