https://phys.org/news/2018-07-paleontologists-largest-dinosaur-foot-date.html

The foot was excavated in 1998 by an expedition team from the University of Kansas which included Anthony Maltese, now at the Rocky Mountain Dinosaur Resource Center in Woodland Park, Colorado.

"It was immediately apparent that the foot, nearly a meter wide, was from an extremely large animal, so the specimen was nicknamed 'Bigfoot,'" said Maltese, lead author of the study.