http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Dirección de Recursos Naturales Renovables.
44 unnumbered pages : 39 color maps, diagrams (part color) tables ; 36 x 44 cm.
Scale of maps approximately 1: 4,000,000 or approximately 1: 8,000,000.