Square mile
From Wikinfo
A square mile (symbol mi²) is an imperial unit which is the area of a square whose side is one mile (or 5,280 feet). That comes out to It is equal to 27,878,400 square feet. 640 acres, or 2.589988 square kilometers.
The Public Land Survey System of the United States, in use in all states except the original 13, Vermont, Texas, and Hawaii, lays out land into townships of 36 sections of one square mile.
See also: Conversion of units
In England, the Square Mile is a traditional name for the City of London.
References
- Adapted from the Wikipedia article, "Square mile" http://www.wikipedia.org/wiki/Square_mile August 10, 2003

