sentences:  The date was October 7, 1684, the Feast of San Bruno.Mission work was begun with about 400 local Cochimi Indians and exploratory expeditions into the surrounding region were undertaken, including the first land crossing of the Baja California Peninsula by Europeans.However, shortages of water and imported food supplies and problems of illness forced the abandonment of San Bruno in May 1685, leaving Baja California again entirely in native hands until the first permanent Jesuit mission was established at Misión de Nuestra Señora de Loreto Conchó in 1697.