At this site (available only in Spanish), geological maps of Bolivia are available. The maps are interactive and contain many search features including pan, zoom, query, layer list, measure, set units, and select by rectangle or line. Features are listed in English. Maps can also be downloaded, printed, or emailed.

The Brazil Geological Survey site provides an interactive map of Brazil that allows searching of boundries; precious, base, and ferrous metals; gemstones; industrial materials; energy resources; construction materials; mineral resources; oil fields; and rivers. The map also allows searching of oceanic resources and features and techtonic, geological, and other maps. The site is in Portugese.

At the site for the Instituto Colombiano de Geologia y Mineria, there is a PDF geologic map of Colombia. The PDF map can be accessed by going to the "Mapa Geologico de Colombia" link under the blue "Geologia" tab at the top of the Web page. The second page of the PDF includes a geologic data chart. By right clicking, users can print or use zoom features. The site is only available in Spanish.

The GGMC : Geological Services Division site provides geological maps, topographic maps, mineral exploration maps, and license status maps of Guyana. The site also provides various geological and related reports and links to the mineral property administration, cartographic section, field section, chemical and sample laboatory, petrology laboratory, GIS / Computer section, and drilling section, as well as other related sites.

The Uruguay Geological Survey site provides mineralogical and geological data about Uruguay. The data includes geological maps, hydrological maps, maps of the Bouguer anomoly, and maps of mineral deposits. Links to related sites are also provided. The site is in Spanish.