Here are some old maps of Ciudad Zacatecas por Bernardo De Portugal about year 1723:
http://jcb.lunaimaging.com/luna/servlet/detail/JCBMAPS~1~1~3050~101423?…
Nuestros Ranchos Test Site - DO NOT USE TO REGISTER
Genealogy of Jalisco, Zacatecas and Aguascalientes