TY - RPRT TI - Cave records reveal recent origin of North America’s deepest canyon AU - Matthew Morriss AU - Nate Mitchell AU - Brian Yanites AU - Lydia M. Staisch AU - Oliver Korup PY - 2025 DO - 10.1073/pnas.2413069122 UR - https://pubs.usgs.gov/publication/70267475 ID - 70267475 ER -