sentences:  The site that the Santa Fe de Toloca mission occupied in the first half of the 17th century was partially excavated in the 1980s.The mission of Santa Fe de Toloca was established around 1610 or 1612, as Franciscan missionaries prepared to expand into territory north and west of the Santa Fe River.The mission probably was founded by the Franciscan Father Martín Prieto, who had established the nearby San Francisco de Potano mission.