Washington Post
Correction: A previous version of this article mistakenly described Alexis Mychajliw as an ecologist from the University of California at Santa Barbara. She is a paleontologist at Middlebury College. The article has been corrected. - - -Subscribe to The Post Most newsletter for the most important and interesting stories from The Washington Post. In April 1924, a road crew was working in Sequoia National Park, near the spectacular granite dome of Moro Rock, when a large shape emerged from the woo