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![](https://webarchive.library.unt.edu/eot2008/20081106200116im_/http://nsf.gov/images/x.gif) Discovery Hunt for Fossils Finds Warning for Warming Earth
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![Photo of insect mine on a 53 million-year-old fossil from Wyoming's Bighorn Basin.](https://webarchive.library.unt.edu/eot2008/20081106200116im_/http://nsf.gov/news/mmg/media/images/bighorn_basin1_f1.jpg) |
An insect mine on a 53 million-year-old fossil from the Bighorn Basin of Wyoming. An egg is laid within the leaf. When the egg hatches, the larva chews its way through the leaf, forming a feeding channel that is still visible on the fossil.
Credit: Ellen Currano |
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![Photo of Ellen Currano collecting fossil leaves in Wyoming's Bighorn Basin](https://webarchive.library.unt.edu/eot2008/20081106200116im_/http://nsf.gov/news/mmg/media/images/bighorn_basin2_f.jpg) |
Ellen Currano collects fossil leaves from a site that is 57 million years old, in the Bighorn Basin of Wyoming.
Credit: Ellen Currano |
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![Photo of John and Ellen Currano in the quarry during the summer 2007 field season](https://webarchive.library.unt.edu/eot2008/20081106200116im_/http://nsf.gov/news/mmg/media/images/bighorn_basin3_f.jpg) |
Even family members get pressed into service in the quarry--John and Ellen Currano during the summer of 2007.
Credit: Ellen Currano |
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![This image was captured as the researchers were pulling into camp after a full day in the field.](https://webarchive.library.unt.edu/eot2008/20081106200116im_/http://nsf.gov/news/mmg/media/images/bighorn_basin4_f.jpg) |
This image was captured as the researchers were pulling into camp after a full day in the field. Two tents are barely visible at the base of the butte.
Credit: Ellen Currano |
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