Mounting Skeleton of Diplodocus in Exhibition Hall

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USNM's Diplodocus specimen, as it was under construction in the Vertebrate Paleontology Hall in 1930-1931. The bones were collected mostly in the Dinosaur National Monument in Utah in 1923, and over the next seven years were prepared and mounted primarily by Norman H. Boss and Thomas Horne, under the scientific direction of Charles W. Gilmore.


  • United States National Museum
  • United States National Museum Department of Paleontology
  • Century of Progress International Exposition (1933-1934 : Chicago, Ill.)


  • See also SIA2017-038186.
  • See also Record Unit 424, Box 7, Folder (mini box) 20.

Cite as

Smithsonian Institution Archives, Acc. 12-492, Image No. SIA2012-2795

Repository Loc.

Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520



Restrictions & Rights

  • No access restrictions Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at
  • No Known Copyright Restrictions


  • Dinosaurs
  • Exhibitions


Lantern slides

Local number

SIA Acc. 12-492 [SIA2012-2795]

Physical description

4 x 3.25;

Full Record

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