In the last 20 or 30 years there have been a couple more specimens.
VOA: standard.2009.12.08
The Colorado center restores about four to five dinosaur specimens every year.
VOA: standard.2009.12.08
The museum not only has a display area open to the public, but also has an archival collection of more than one million specimens taking up three floors.
VOA: standard.2009.12.08
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