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Image: North america 75mya

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Description: Detailed map showing North America and Western Interior Seaway 75 million years ago, at the late Campanian (10 My before end of the Cretaceous). Maps created by Ron Blakely, Colorado Plateau Geosystems, published and stated to be copyright T.A. Gates et al in their paper "Mountain Building Triggered Late Cretaceous North American Megaherbivore Dinosaur Radiation" (2012). Map may be used and modified for any purpose provided original author and source are attributed.
Title: North america 75mya
Credit: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0042135
Author: Ron Blakely, Colorado Plateau Geosystems is credited for the maps, in the paper, and Terry A. Gates et al are stated to be the copyright holders for the paper and its contents..
Usage Terms: Creative Commons Attribution 1.0
License: CC BY 1.0
License Link: https://creativecommons.org/licenses/by/1.0
Attribution Required?: Yes

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