The director of the California Department of Fish and Game, Charlton Bonham, has urged the National Park Service to Drakes Bay Oyster Company’s operating permit, which expires at the end of November. In a letter sent to Superintendent Cicely Muldoon last week, Mr. Bonham wrote that the company produces 40 percent of the state’s oysters and is permitted by the state through 2029; he noted that his department intended to retain aquaculture rights in Drakes…