Map information was furnished by the Instituto Brasileiro de Geografia e Estatística (FIBGE) through the Censos agropecuários from 1970, 1975, 1980 and 1985, the demographical census of 1970, 1980 and 1991 and the publications on agricultural and livestock production from 1980-1993.
Includes 137 maps elaborated on a scale of 1:1000,000 with some exceptions.