President Kimball said ... Joseph Smith took President Brigham Young & myself to the vary spot In adam Ondi Aman whare Adam offered up his first sacrafize on a spot now called Hogback.
D. H. Wells said I had a dream last night & saw a butchers Cleaver in the Heavens in the East. I tried to show it to Bishop Pettigrew & he could not see it. I felt that there was a Strugle near & a great Slaughter, & much nearer than the people are aware of.
[Wilford Woodruff's Journal: 1833-1898 Typescript, Volumes 1-9, Edited by Scott G. Kenney, Signature Books 1993, http://amzn.to/newmormonstudies]