The CHL preserves materials related to the history of the Church, from the 1820s in
upstate New York, to the current day, with more than 16 million members around the world. The historical materials of the Church contain rich information about both Mormon history and the development of the
western United States. These collections include: • 270,000 books, pamphlets, magazines, manuals • 500,000 historic photographs, posters, maps • 23,000 audio and video recordings • 120,000 local histories for Church units • 150,000 journals, diaries, papers, and manuscripts • 20,000 rolls of microfilm • 3.5 million patriarchal blessings for Church members ==Facilities==