Throughout 1969 and the early months of 1970, large quantities of Batangas Iron Age potteries reached Manila through commercial sources. This implied the ongoing wholesale destruction of prehistoric archaeological sites in Batangas. In response to the obvious need of the moment, and with the encouragement of Father Frank Lynch, S.J., Dr. Warren Peterson, a salvage archaeology project - as the M.A. thesis of the three authors - was initiated in...