Explore the intersection of palaeontology and U.S. public lands policy in this informative lecture by David Polly of Indiana University. Delve into the scientific significance of Grand Staircase-Escalante and Bears Ears National Monuments in Utah, renowned for their Mesozoic and late Palaeozoic research potential. Learn about groundbreaking discoveries made in these areas, understand the importance of U.S. public lands for scientific research, and examine the political controversies surrounding their downsizing and subsequent restoration. Gain insights into the unique status of National Monuments, the federal land system in the U.S., and the complex interplay of local politics, resource management, and Native American history that shapes these protected areas.