The purposes of the Southern Mono Historical Society are the enhancement of public knowledge of the history of the southern Mono County region and the collection, interpretation and display of artifacts pertaining to such history and culture. The society will make open to the public its collection and resources through the Mammoth Museum at the Hayden Cabin, Mammoth Lakes.
The Mammoth Museum (Southern Mono Historical Society)'s digital collection at California Revealed consists of texts, still images, moving images, and audio recordings from the 1890s to 2000s. The collection includes area newspapers, historical maps, photographic slides showing the landscape and recreation, home movies, recordings of lectures by local historian Barbara Moore, and more.