La Brea Tar

PITS The Rancho La Brea Tar Pits are a series of over 100 asphalt pits located in southern California, USA (brea means tar in Spanish). These tar pits contain many animal bones, including Ice Age fossils. Over 650 species of Pleistocene Epoch plants and animals have been found and identified at La Brea (dating from about 10,000 to 40,000 years ago)...
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
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