CALERA is a railroad station of the line MEXICO-CITY to JUAREZ, CHIH. Located very near to the City of ZACATECAS, besides the station is a very small community, if you have a good map of Mexico you can locate easilly Calera. As a matter of fact Calera means a place in which LIME is processed, the word CAL means LIME.
When the railroad line had passengers service, I recall to had pass by CALERA several times. Armando Rubio