The Bolinas Community Public Utility District will soon see a change of guard. Jennifer Blackman, who has served as the general manager of the district for nearly two decades, will retire this spring, and Georgia Woods, a neuroscientist who sits on the local school board, will replace her. BCPUD board president Jack Siedman said the board unanimously chose Ms. Woods based on her qualifications. “I am thrilled the district has been able to hire someone…