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Hunt for Fossils Finds Warning for Warming Earth

Photo of insect mine on a 53 million-year-old fossil from Wyoming's Bighorn Basin.

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

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

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.

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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