The Sierra Madre Historical Archives collects, preserves, and provides access to a variety of materials that tell the Sierra Madre story: photographs, slides, postcards, scrapbooks, city directories, maps, letters, periodicals, posters, works of art, sound recordings, moving images, and ephemera....
This collection contains the materials that Wandalee Thompson (1914-2004) collected while preparing to write a history of the San Gabriel Mountains. Though the book was never realized, Thompson collected a substantial amount of material during her research including historic maps,...