Grasslands Wildlife Management Area Grasslands Wildlife Management AreaStation reference point Blue Goose Unit (Special regs)303 acres East Bear Creek Unit (Special regs)1,077 acres Kesterson Unit (Special regs)145 acres San Luis Unit (Special regs)199 acres South Freitas Unit (Special regs)310 acres West Bear Creek Unit (Special regs)968 acres Closed (Closed)12,099 acres