San Francisco City Engineer.
Hetch Hetchy Water Supply.
Events and Ceremonies.
O’Shaughnessy Dam dedication.
San Francisco City Engineer.
Hetch Hetchy Water Supply.
Reports and Albums.
Hetch Hetchy Water System album
San Francisco City Engineer.
Hetch Hetchy Water Supply.
Reports and Albums.
“Hetch Hetchy 1928-1929” album.
San Francisco City Engineer.
Hetch Hetchy Water Supply.
Miscellany.
Hetch Hetchy water supply Christmas greeting cards.
Personal, Family and Miscellany.
M.M. O’Shaughnessy Family.
Michael Maurice O’Shaughnessy.
Personal, Family and Miscellany.
M.M. O’Shaughnessy Family.
Michael Maurice O’Shaughnessy with others.
Personal, Family and Miscellany.
M.M. O’Shaughnessy Family.
Portraits of Francis J. O’Shaughnessy in uniform.
Personal, Family and Miscellany.
M.M. O’Shaughnessy Family.
Family groups.
Personal, Family and Miscellany.
Relatives, Miscellaneous People and Pets.
Portraits of unidentified people.
Personal, Family and Miscellany.
Family Residences and Mill Valley, California.
Family residence in Mill Valley, Calif.
Personal, Family and Miscellany.
Family Travels.
Trip to Ireland, England and Scotland.