File:Grand Archaeology - IMG 6882 (5975525120).jpg
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| Description | Grand Canyon National Park: Museum of Northern Arizona geomorphologist Kirk Anderson collects a sediment sample at Furnace Flats for analysis via the optical stimulated luminescence technique (OSL), which reveals the time when the sediment was deposited. Dating techniques such as OSL and carbon-14 help researchers understand when sites were occupied. Sept 2007 Allyson Mathis NPS photo |
| Date | |
| Source | Grand Archaeology - IMG_6882 |
| Author | Grand Canyon National Park |
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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 Grand Canyon NPS at https://flickr.com/photos/50693818@N08/5975525120. It was reviewed on 20 April 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 18:11, 20 April 2020 | | 1,536 × 2,048 (1.24 MB) | Killarnee (talk | contribs) | Transferred from Flickr via #flickr2commons |
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