William Ascarza writes the Arizona Star column Mine Tales about Arizona mining history. An entrepreneur, historian, researcher and travel guide, Ascarza is author of five books, in...ver másWilliam Ascarza writes the Arizona Star column Mine Tales about Arizona mining history. An entrepreneur, historian, researcher and travel guide, Ascarza is author of five books, including Zenith on the Horizon: An Encyclopedic Look at the Tucson Mountains from A to Z and Tucson Mountains, Sentinel to the North: Exploring the Tortolita Mountains.ver menos