Collection contains materials related to Hammond dealing with the early settlement of San Juan County in southern Utah and the Church of Jesus Christ of Latter-day Saints (LDS) business of the San Juan Stake which comprised a large portion of southern Utah as well as parts of Colorado and Arizona. The collection includes personal and family correspondence, ecclesiastical correspondence, and journals.

Personal and family correspondence relates to pioneer life in southern Utah in the last half of the nineteenth century. Topics also include missionary work and LDS Church growth in the Sandwich Islands (now Hawaii), northern England and the southern United States in the 1890s.

The collection also includes correspondence with Presidents of the Church of Jesus Christ of Latter-day Saints from Brigham Young to Lorenzo Snow, as well as various other General Authorities of the Church, and topics include Church doctrine and administration, and the Church's role in state and national politics. Also included in this collection are some letters from Joseph F. Smith while he was in exile in Hawaii during the anti-polygamy crusade of the 1880s.

The collection includes twenty-three of forty-three known volumes of Hammond's private journals where he documented his life as a stake president in the early days of the Church covering 1884 to 1900. Also contained in this collection is the Hawaiian missionary diary of Mary Jane Dilworth Hammond, first wife of Francis Asbury Hammond. Her diary was written between April 1853 and February 1855. There are also two autograph books from Martha and Francis Hammond, a typescript history of Alice Howard Hammond, a typescript of a letter from Brigham Young to King Kamehameha V, and some biographical materials on Francis A. Hammond.

Dated 1851 to 1901.