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 field's seasons of the year 1983, dedicated essentially to survey and test pits, we directed all our efforts to the resolution of more specific...