Black Hills Institute of Geological Research

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Black Hills Institute of Geological Research, Inc.
IndustryFossil excavation
Founded1974; 45 years ago (1974)
United States

The Black Hills Institute of Geological Research, Inc. (BHI) is a private corporation specializing in the excavation and preparation of fossils, as well as the sale of both original fossil material and museum-quality replicas. Founded in 1974 and based in Hill City, South Dakota, the company is most famous for excavating and selling replicas of some of the most complete specimens of Tyrannosaurus rex, including "Sue", "Stan" and "Trix".[1][2]

In March 1992, BHI owners founded the Black Hills Museum of Natural History in Hill City, a non-profit paleontological museum which is controlled by an independent Board of Directors.

In May 1992, the remains of "Sue" were seized from the BHI by the Federal Bureau of Investigation and were auctioned off five years later to the Field Museum of Natural History in Chicago, Illinois for US$7.6 million – the highest price ever paid for a fossil.[3]

See also[edit]


  1. ^ Allen Mills, Tony (Aug 26, 2007). "Dino hunter with a digger hits big time". The Sunday Times. London. Retrieved 2008-02-22.
  2. ^ Business Wire, "T. rex travelling to the Netherlands"; August 23, 2016 08:09, PM Eastern Daylight Time
  3. ^ "Get the Inside Scoop on Sue". Field Museum website. Chicago. Retrieved 2011-03-14.

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