This publication presents the results of the archaeological studies relative to the settlement pattern, realized between 1983 and 1996 within the framework of the Michoacan Projects I and III led by the researchers of the Centre of Mexican and Centro-American studies (CEMCA). The Michoacan project (1983-1987) aimed at the realization of a study of all the perceptible demonstrations of the prehispanic occupations in the region. After the first three...