From the Nan Doughty Photograph Collection (PH-00240). Road to left leads to Mt. Diablo cul-de-sac and to the right to reservoir. Road from Candelaria at extreme lower right. At center, ruins of boarding house.
From the Nan Doughty Photograph Collection (PH-00240). Candelaria Ruins of Mt. Diablo superintendent's house in Pickhandle Gulch, mouth of tunnel, behind fallen roof is where William H. Shockley kept milk and butter cool and stored books and papers during his absence.