Jonathan Hallemeier, U.S. Army Corps of Engineers Los Angeles District interdisciplinary study manager and study team lead planner, speaks during a public meeting regarding the ongoing San Diego County Shoreline (Oceanside) Mitigation Study Sept. 16 at the Oceanside Civic Center Library in Oceanside, California. The study aims to mitigate shoreline erosion and other impacts, resulting from the construction of U.S. Marine Corps Base Camp Pendleton Harbor.