Henry C. Koerper No description specified. 1-3 (3 Records) Documents The Agua Hedionda Project Archaeological Investigations at CA-SDi-5353 and CA-SDi-9649 (1986) The Aqua Hedionda Project Archaeological Investigations at CA-SDI-5353 & CA-SDI-9649. (1986) Comments On Cottrell's Long Distance Jasper Trade Hypothesis: in Defense of Renfrew's Trade Models (1987)