Who were the people who lived in the Presidio San Agustin del Tucson between 1776 and 1856? Archaeologist and historian Homer Thiel has completed a new edition of the Pioneer Families of the Presidio San Agustín del Tucson book, adding an additional 150 pages. The new information, gleaned from Mexican and American records, traces many families well into the 20th century. To get your copy call (520) 622-0594 or email info@tucsonpresidio.com.