Fossil Butte National Monument

geographical name

site containing aquatic fossils in southwestern Wyoming

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fossil
Fossil Butte National Monument
fossil copal
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“Fossil Butte National Monument.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Fossil%20Butte%20National%20Monument. Accessed 3 Jul. 2025.

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