Snowmass: A Record of Climate Change in the Rocky Mountains During the Ice Age by Greg McDonald, National Park Paleontologist and Research Associate in Earth Sciences at the Denver Museum of Nature and Science A fascinating slide show about the 2010 discovery of mammoth, mastodon, sloth and other bones which led to an incredible dig down to the 130,000 year level. Greg McDonald is the Senior Curator of Natural History in the National Park Service?s Park Museum Management Program. He started with the park service as the paleontologist at Hagerman Fossil Beds National Monument in Idaho and has also served as the paleontology program manager in the Geologic Resource Division. Prior to working for the park service he was the curator of vertebrate paleontology at the Cincinnati Museum of Natural History and the vertebrate paleontology collection manager at the Idaho Museum of Natural History. He is a vertebrate paleontologist with research interests in the Pleistocene (Ice Age) mammals of North and South America, particularly the extinct giant ground sloths and their relatives. He has conducted field work in North and South America and the Caribbean, working in caves and diving. His doctorate is from the University of Toronto, University of Florida (M.S.) and Idaho State University (B.S.). No Registration is required, but come early as seating is limited. Call 962-2401 for questions.