File:Cretaceous Footprints Found on Goddard Campus (8434952675).jpg

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The entire find, containing at least three dinosaur footprints, is approximately seven feet long and three feet across at its widest point. Additionally, the footprint-rich layer is bonded to a separate layer of iron-rich sandstone that complicated the efforts to extract and preserve it.

Before removing the rock layer, Godfrey made a silicon-rubber cast of the prints, then jacketed the entire find in multiple layers of plaster-soaked burlap (i.e. just like a cast) to add rigidity and to further ward against breakage during transport. Galvanized steel pipes wrapped into the jacket acted like splints to provide additional structural support.

The combined weight of the footprint, field jacket material and surrounding soil that was removed was estimated to be approximately 3,000 pounds, so extra care was taken in moving it to avoid damaging the rather extraordinary find.

Credit: NASA/GSFC/Michelle Handleman

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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.

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Source Cretaceous Footprints Found on Goddard Campus
Author NASA Goddard Space Flight Center from Greenbelt, MD, USA

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/8434952675. It was reviewed on 17 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

17 September 2016

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Date/TimeThumbnailDimensionsUserComment
current21:18, 17 September 2016Thumbnail for version as of 21:18, 17 September 20165,184 × 3,456 (1.09 MB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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