Image: Uinkaret TheExpanseOfTime NASA172332
Description: Arizona Grand Canyon National Park, Arizona. Uinkaret volcanic field
Title: Uinkaret TheExpanseOfTime NASA172332
Credit: http://www.nasa.gov/multimedia/imagegallery/image_feature_788.html
Author: NASA/GSFC/MITI/ERSDAC/JAROS, and the U.S./Japan ASTER Science Team
Permission: NASA still images, audio files and video generally are not copyrighted. You may use NASA imagery, video and audio material for educational or informational purposes, including photo collections, textbooks, public exhibits and Internet Web pages. This general permission extends to personal Web pages. See: http://www.nasa.gov/multimedia/guidelines/index.html
Usage Terms: Public domain
License: PD
Attribution Required?: No
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