geologist

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A scientist whose work it is to understand the history of our planet. Geology is the study of the Earth, what it's made of, how it came to be made out of those materials, and the processes that have acted, and continue to act, upon those materials, including natural and human-caused disasters at the local and global scales.

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"Geologist Kim Jorgensen maps the rock walls of the new Folsom Dam auxiliary spillway, February 4, 2012" by U.S. Army Corps of Engineers.

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