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Calexico(kəlĕk`sĭkō), city (1990 pop. 18,633), Imperial co., S Calif., at the Mexican border; inc. 1908. A port of entry from adjacent MexicaliMexicali
, city (1990 pop. 438,377), capital of Baja California state, NW Mexico, across the border from Calexico, Calif. Once noted chiefly as the center of a cotton- and cereal-raising area, it also has experienced since the late 20th cent.
..... Click the link for more information. , Baja California, it is also a trade center for the southern part of the fertile Imperial ValleyImperial Valley,
fertile region in the Colorado Desert, SE Calif., extending S into NW Mexico. Once part of the Gulf of California, most of the region is below sea level; its lowest point is −232 ft (−71 m) at the southern shore of the Salton Sea. Receiving only c.
..... Click the link for more information. . Tourism is central to Calexico's economy; smuggling has long been a problem.