Unit Definition (legua [Spanish, post-1568]) Unit of area used in the southwest US, equal to 25 labors, or 4428 acres (Texas), or 4439 acres (California). Also, a unit of length-- approximately three miles.
Unit Definition (exameter) An exametre (American spelling: exameter, symbol: Em) is a unit of length equal to 1018 metres.
Length/Distance 
