Crittenden devoted her life to the beautification of Anchorage and the preservation of its historical buildings. Among other projects, she played an important role in the creation of the Chester Creek Greenbelt and the Oscar Anderson House Museum. She also helped establish the Urban Design Commission and the Anchorage Historic Preservation Commission, serving as chair for the latter commission for ten years.[2]
She was also the author of Get Mears!: Frederick Mears, Builder of the Alaska Railroad (ISBN978-0832305511), a biography of Colonel Frederick Mears.[1]
Crittenden died at home in Anchorage at the age of 88.[1]