In its modern form, it consists of a set of electromechanical base units including metre for length, kilogram for mass, second for time and ampere as an electrical unit, and a few others, which together with their derived units, can measure any useful quantity. Metric system may also refer to other systems of related base and derived units defined before the middle of the 20th century, some of which are still in limited use today.
Magdalena, New Mexico. Magdalena is a village in Socorro County, New Mexico, United States. The population was 926 in 2012. The Lady on the Mountain is a rock formation on Magdalena Peak overlooking Magdalena. Spanish soldiers saw the profile of a woman on the west face of the peak.
Rancho Santa Margarita is a city in Orange County, California, United States. One of Orange County's youngest cities, Rancho Santa Margarita is a master planned community set upon rolling hills. The population was 47,853 at the 2010 census, up from 47,214 at the 2000 census. Although it is named for Rancho Santa Margarita y Las Flores, which was in San Diego County, the city limits fall within the borders of Rancho Mission Viejo.