The definitive study of when an emigrant wagon trail crossing southern Utah was attacked by Indians and Mormons, and all of the emigrants, with the exception of a few children, were slaughtered.
Juanita Brooks held appointment as a field fellow of the Henry E. Huntington Library and was enabled to carry out the original research for her book by a grant from the Rockefeller Foundation. She was the author of two other books and edited, with Robert Glass Cleland, A Mormon Chronicle: The Diaries of John D. Lee (Henry E. Huntington Library. 1955)