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The mile, sometimes the international mile or statute mile to distinguish it from other miles, is a British imperial unit and United States customary unit of length; both are based on the older English unit of length equal to 5,280 English feet, or 1,760 yards. The statute mile was standardised between the Commonwealth of Nations and the United ...
For example, in 1980, high schools converted their running distances from Imperial (yards) to metric, but instead of running conventional international distances like 1500 metres in place of the mile run, a more equitable but non-standard 1600 meters was chosen. For the two-mile run, they run 3200 meters.
The family of tornadoes traveled a total 52.4 miles (84.3 km), was 500 yards (460 m) wide at its peak, and was rated F5 when the Fujita scale came into effect in 1973. Although numerous studies indicate that this was a tornado family, it is officially listed as one continuous tornado.
The yard (symbol: yd) [3] [4] is an English unit of length in both the British imperial and US customary systems of measurement equalling 3 feet or 36 inches. Since 1959 it has been by international agreement standardized as exactly 0.9144 meter. A distance of 1,760 yards is equal to 1 mile. The US survey yard is very slightly longer.
Because it is located on top of an active rail yard, the public square is located over a 6-foot (1.8 m) deep plenum above a cooling slab with 15 fans blowing air at 45 miles per hour (72 km/h) and a 60,000-US-gallon (230,000 L; 50,000 imp gal) rainwater storage tank.
For measuring length, the U.S. customary system uses the inch, foot, yard, and mile, which are the only four customary length measurements in everyday use.From 1893, the foot was legally defined as exactly 1200 ⁄ 3937 m (approximately 0.304 8006 m). [13]
The Illinois garage opened in 1984 and is roughly 1.4 miles (2.3 km) from the 29th Street rail yard in East St. Louis. The 287,255 square foot facility serves buses that run on routes sponsored by the St. Clair County Transit District. [15]
The 2 mile (3,520 yards, [1] 10,560 feet, or exactly 3,218.688 metres) is a historic running distance. Like the mile run, it is still contested at some invitational meets due its historical chronology in the United States and United Kingdom.