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Curated OER
Unesco: El Salvador: Joya De Ceren Archaeological Site
Joya de Ceren was a pre-Hispanic farming community that, like Pompeii and Herculaneum in Italy, was buried under an eruption of the Laguna Caldera volcano c. AD 600. Because of the exceptional condition of the remains, they provide an...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Italy, 1904
A geo-political map of Italy showing country and region borders current to 1904, major cities, railroad lines, and navigable rivers. Physical features include mountain ranges with elevation measured in feet, major rivers and watersheds,...