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Uniformitarianism - Wikipedia
Uniformitarianism | Definition & Examples | Britannica
Uniformitarianism: "The Present Is the Key to the Past"
Uniformitarianism - Education | National Geographic Society
Uniformitarianism Definition & Meaning - Merriam-Webster
Geologic Principles—Uniformitarianism - U.S. National Park Service
uniformitarianism summary | Britannica
What is Uniformitarianism? - WorldAtlas
Uniformitarianism - SpringerLink
Uniformitarian Definition & Meaning - Merriam-Webster