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  • The fossils of Madison County (Montana)

    University of Illinois entomologist and paleontologist Sam Heads and his team are in the Ruby Valley of southwest Montana to hunt for fossils from the Oligocene epoch, some 23 million to 33 million years ago.

                                                                  

    Photo by Nathan Stariha

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  • Editor’s note:

    Sam Heads is an entomologist and paleontologist with the Illinois Natural History Survey, part of the Prairie Research Institute at the University of Illinois. He can be reached at swheads@illinois.edu.