Coconino_Sandstone_with_footprints.jpg
Summary
Description Coconino Sandstone with footprints.jpg | Coconino Sandstone with footprints |
Source | http://www.nature.nps.gov/geology/parks/grca/age/index.cfm |
Author | National Park Service |
Licensing
Public domain Public domain false false |
This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government , such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |