“Prospection in Depth” is held at El Presidio de San Francisco Posted by NCPTT On October 1, 2008 · In All, Archeology & Collections, News, Training Prospection in Depth 2008 NCPTT held its third annual workshop on archeological prospection Sept. 16-20, 2008 at the historic Presidio in San Francisco. “Prospection in Depth” integrated concepts, data collection, excavation, and interpretation. Share on FacebookShare on Twitter Tagged with → archeology • California • data collection • El Presidio de San Francisco • excavation • interpretation • prospection • Prospection in Depth • Training