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Working areas of Pit 91

Volunteers and museum staff lie on the plywood decking, from where they reach down to excavate the asphalt matrix using hand tools as small as dental picks.

 

La Brea Tar Pits / George C. Page Museum

Los Angeles, California

December 11, 2014

 

See: www.tarpits.org

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Uploaded on December 22, 2014
Taken on December 11, 2014