Matthew Kaser and Gary Howard, will describe how the three major bays on the West Coast were built and what their future might be. A buffet lunch and the program take place at Redwood Canyon Golf Course (17007 Redwood Road, Castro Valley) at 12 to 1:30 p.m. The cost of lunch is $20 and reservations must be made by 9 p.m. on Sunday, July 31, by contacting Rotary at cvrotary@iCloud.com or 510-402-5123. More information is available at castrovalleyrotary.org.