Revision History for USGS Professional Paper 1786 Daniel V. Malmon, Keith A. Howard, P. Kyle House, Scott C. Lundstrom, Philip A. Pearthree, Andrei M. Sarna-Wojcicki, Elmira Wan, and David B. Wahl Stratigraphy and Depositional Environments of the Upper Pleistocene Chemehuevi Formation Along the Lower Colorado River ----------------------------------------------------- Posted online at http://pubs.usgs.gov/pp/1786/ March 5, 2012 -----------------------------------------------------