Walcott, Charles D. 1923. "Pre-devonian paleozoic formations of the cordilleran provinces of Canada." Smithsonian Miscellaneous Collections, 75, (5) 174–377.
The Devonian Period, spanning approximately 419–359 million years ago, represents a pivotal phase in South America’s deep-time history. Fossiliferous formations across the continent—particularly ...
The Tentative Lists of States Parties are published by the World Heritage Centre at its website and/or in working documents in order to ensure transparency, access to information and to facilitate ...
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