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In page Mitchell, Oregon:

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In 2018, a geologist from the University of Oregon found the toe of a plant-eating dinosaur near Mitchell, where the Pacific Ocean coast lay 100 million years ago. This discovery has been billed as the first dinosaur fossil found in Oregon.[6] A competing claim involves fragments of a hadrosaur or duck-billed dinosaur found in the Otter Point Formation near the mouth of the Rogue River.[7]