Geologists use geologic maps to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art.

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<p><em>Geological Chart by Levi Walter Yaggy, 1893 intended for use in classroom settings.&nbsp;Source: <a href="https://www.davidrumsey.com/luna/servlet/s/o54279">https://www.davidrumsey.com/luna/servlet/s/o54279</a></em></p>

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