Apatosaurus louisae from Jurasic Period of Mesozoic era (150 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.
Photo by Jim Steinhart © 2014, all rights reserved. (Ref: PATV724)

Click an index below to see this photo among related images:

Carnegie Museum of Natural History, Pittsburgh - Dinosaurs & Minerals
Captions List for Pittsburgh, PA