Harris, J. D., & Milner, A. R. C. (2015). Tracks in deep time: The St. George dinosaur discovery site at Johnson Farm. The University of Utah Press.

Harris, Jerald D., and Andrew R. C. Milner. Tracks in Deep Time: The St. George Dinosaur Discovery Site at Johnson Farm. Salt Lake City, [Utah]: The University of Utah Press, 2015.

Harris, Jerald D., and Andrew R. C. Milner. Tracks in Deep Time: The St. George Dinosaur Discovery Site at Johnson Farm. The University of Utah Press, 2015.