 The archaeology in Porac, Pampanga started with the first excavation conducted in 1935-1936 by G.M.Goodall and two Filipino assistants, then from 1959-1960 by Robert Fox, and followed by an archaeological impact assessment by the people from the National Museum of the Philippines.The three most recent excavations were in the sugar plantation owned by Nestor Dizon in 1999, 2001, and 2002.