square mile (based on U.S. survey foot)
type: Concept
definition: Unit of the area, which is mainly common in the agriculture and forestry.
in scheme: unit-of-measure
notation: M48
conversion multiplier: 2589997.766409
dimension vector: L2
rec20 quantity: area
rec20 sector: Space and Time
ucum code: [mi_i]2
unit symbol: mi² (US survey)