Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
"Prepared in cooperation with the Divisao de Fomento da Producao Mineral. Departamento Nacional da Producao Mineral, Ministerio da Agricultura, Brazil, under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation, Department of State."
Bibliography
Includes bibliographical references (pages 295-297) and index.