Add Yahoo as a preferred source to see more of our stories on Google. The lake pit in front of the La Brea Tar Pits Museum is left over from asphalt mining that took place in the nineteenth century.
Did you know that people can discover fossils in a major city? Head to the La Brea Tar Pits to see an active dig site in the heart of Los Angeles. The tar pits were formed thousands of years ago, from ...
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