I'm reading a book entitled barrio Pastita of the city of guanajuato district to be localisa in the city of Guanajuato Gto. which was a Real mine and therefore speaks of the mining, on page 48 says so. "In the second half of the 18th century, exactly in 1760, had in guanajuato 1164 drag between the haciendas and Zangarros that pulverizaban material through the amalgamation they separated and incorporated the silver. " " Twenty years later, there were 50 large and medium-sized farms and more than 300 zangarros; elsewhere on the page 50 said, "The wealthy owners of haciendas and located in Pastita zangarros, to reganadientes people and raised its walls which colindaban with the rio "And so always speaks of haciendas and zangarros, which is why I dedusco to zangarros were small workshops which operates any process related to the estates of benefit, this was the name of finances that they made the separation of silver and gold, Haciendas of benefit.Information on the cover of this book. says so 'Guanajuato.El Municipal Presidency barrio pastita Guanajuato.Isauro Rionda Arreguin.Direccion Municipal culture city.
