Under his tenure the ranch grew to encompass over 1,300,000 acres ( 5,300 km ) .
When King died , Kleberg took over the management of the ranch in 1885 .
Under Kleberg 's tenure the ranch grew to encompass over 1,300,000 acres ( 5,300 km ) .
When King died , Kleberg took over the management of the ranch in 1885 .