ADVANCE FOR USE SUNDAY, JUNE 11 - In this Wednesday, May 24, 2017 photo, Thomas Adams, left, curator of Paleontology and Geology at the Witte Museum, searches for fossil remains in deposits from the Hensel formation, laid during the Early Cretaceous period, from roadcuts along IH-10 just outside of Junction, Texas. Adams was working alongside a team led by UTSA professor Marina Suarez, who was there to collect soil samples in order to learn more about the climate of the period by analyzing the ratio of carbon isotopes in the rocks. (Marvin Pfeiffer/The San Antonio Express-News via AP)
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