Conde of Hacienda San Mateo, Valparaiso, Zacatecas, Mexico paid for expedition to Texas

I am reading a PDF file that is long and interesting on Colonial Zacatecas.

I ran across this section where it says that the Conde of Hacienda San Mateo had paid, 70,000 pesos for an expedition to Texas:

http://oi61.tinypic.com/33kdq9h.jpg

Where did I find this PDF file? It is the one "Actores Educativos de la region minera Zacatecas"

https://www.google.com.mx/search?hl=es&gl=mx&tbm=nws&authuser=0&q=mexico&oq=mexico&gs_l=news-cc.3..43j0l9j43i53.2648.3557.0.3859.6.3.0.3.3.0.74.191.3.3.0...0.0...1ac.1.SXQh82M5vkY&gws_rd=ssl#q=padrones+zacatecas+1648&hl=es&gl=mx&authuser=0&start=10