La Brea Tar Pit Riker Box Specimens Type:La Brea Specimen " The material was recovered

" The material was recovered from the Lance Formation in Wyoming and is estimated to be about 67

Please Note: Each trilobite is a unique individual

Above: How do you like your T

This specimen is a fragment of a high-pressure compressor vane taken from the jet engine of the Concorde

where it became a defensible stronghold for the rest of his reign

La Brea Tar Pit Riker Box Specimens Type:La Brea Specimen " The material was recoveredAbove: The front of the Specimen Card for the Tar Pit Specimen. (Source: Smilodon californicus and Canis dirus fight over a Mammuthus columbi carcass in the La Brea Tar Pits, Robert Bruce Horsfall, 1913) The La Brea Tar Pits are among the most well known petroleum seeps in the world. Over millennia, such seeps can become lake like formations and trap unwary wildlife. Excavated animal remains at La Brea comprise nearly 700 different species, some