 During the same year he moved to Palenque, with the task of developing the studies on the unknown surroundings of the site.In 1972 he conducted consolidation works at Tulum ruins, and in 1973 he developed the project for the Archaeological Museum of Tlapacoya, Estado de México.During 1975 was in charge of developing excavations and reconstructive tasks in Calixtlahuaca, and later in Tepetlaoztoc (1978), and in Ex-Convent of Churubusco (1980–81).