William C. Clyde (a), Philip D. Gingerich (b), Scott L. Wing (c) & the BBCP Science Team (d)
(a) Department of Earth Sciences, University of New Hampshire, Durham, NH 03824, USA. E-mail: will.clyde@unh.edu
(b) Department of Earth and Environmental Sciences, University of Michigan, 2534 CC Little Building, Ann Arbor, MI 48109, USA.
(c) Department of Paleobiology, Smithsonian Institution National Museum of Natural History, NHB MRC 121 P.O. Box 37012, Washington, DC 20013, USA.
(d) Bighorn Basin Coring Project Science Team. See: http://earth.unh.edu/clyde/team.shtml for complete list