Henry is right. Twain borrowed Orion's journal of the trip to write that section of Roughing It, so it has historical credibility some other sections lack. They stayed in Salt Lake City two days, so that can be subtracted from "road" time. In a message dated 11/19/2014 8:34:55 A.M. Pacific Standard Time, [log in to unmask] writes: The University of California Press edition of Roughing It has a detailed chronology of the trip west, miles covered, locations and time on pages 776-77. Henry Sweets, Executive Director Mark Twain Boyhood Home & Museum 120 North Main Street Hannibal MO 63401 573-221-9010 extension 405