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.
Collection is comprised of annual budgets, financial statements, and auditor's reports dating from 1976 to 1989 created for the city of Boulder City, Nevada and adopted by the City Council.
'Henry Gannett, chief geographer ; A.H. Thompson, geographer in charge ; triangulation by H.M. Wilson ; topography by H.M. Wilson and Powell survey.' 'Edition of Mar. 1892, reprinted 1929.' Handwritten legend on right-side margin of map. Original publisher: Dept. of the Interior, U.S. Geological Survey. Scale 1:250,000 polyconic proj. (W 115°--W 114°/N 37°--N 35°).
'Entered according to Act of Congress in the year 1865 by S. Augustus Mitchell, Jr. in the Clerk's office of the District Court of the U.S. for the Eastern District of Pennsylvania . Drawn and engraved by W.H. Gamble, Philadelphia.' Shows roads, overland telegraph route, and other features. Relief shown by hachures and spot heights. Prime meridians: Greenwich and Washington. Scale [ca. 1:2,787,840] (W 120°--W 109°/N 43°--N 36° 59?).