Sketch Of The Great Historic Mines Of The Cerro De Proano At Fresnillo, State Of Zacatecas, Mexico (1883) is a book written by Benjamin Silliman. The book provides a detailed account of the historic mines located in the Cerro De Proano region of Fresnillo, in the State of Zacatecas, Mexico. It describes the history of the mines, their geological formation, and the mining techniques used to extract the precious metals from the earth. The book also...