sentences:  During the viceroyalty, Chacas first belonged to the Archbishopric of Lima since 1774 from step to the jurisdiction of the commissariat of Tarma.He became an outstanding thanks to mining center in the hills surrounding were discovered rich veins of silver that soon were worked by the Spanish and immigrants from other countries as evidenced by the different mills whose ruins remain today showing ditches characteristics and stone mills, these mills or mills were major