Bull Valley Agricultural Center Bull Valley Agricultural Center The nonprofit Bull Valley Agricultural Center promotes land stewardship and preservation for agricultural educational and recreational uses that respect habitat connect people with nature and build community resources. OUR STORY Alarmed by the decline of honeybee populations Bull Valley Agricultural Center BVAC founder Earl Flewellen sought to establish a bee yard away from the impacts of pesticides and conventional agriculture joining a worldwide effort to support sustainable beekeeping and farming practices. In 2011 the endeavor led him to Port Costa where his vision fell on receptive ears with a local property owner who offered up her nearby land. The two formed a lasting bond embarking on a 5year odysseya remarkable collaboration that drew townsfolk partners and friends to join in on what was to become a community restoration.