Black and white photograph of M M O'Shaughnessy and a group of four men standing on a railroad construction site.

Sepia photograph of a group of approximately 30 people, men, women, children, and servicemen, all smiling and looking at another camera. M M O'Shaughnessy is standing at the front and centre of the group, smiling. The group appear to be standing on a piece of railway line, surrounded by rubble. The occasion is the opening of the Twin Peaks Tunnel.

Black and white photograph of 6 men, named from left to right as: Vincent, [Molony], McAfee, Ryder, M M O'Shaughnessy and [Carmody].

Two copies of a black and white photograph of M M O'Shaughnessy with another man, unidentified. Both are smiling. O'Shaughnessy is carrying a newspaper.

Black and white photograph of M M O'Shaughnessy (right) with Mayor Sunny Jim Rolph (middle), and an unidentified man to the left of the photograph. They appear to be standing on a playing ground, with an audience on a stand behind them.

Two copies of a black and white photograph of Senator [Key] Pittman speaking at the dedication of the Pittman plaque at O'Shaughnessy dam. He is surrounded by a group of men perching on automobiles and listening.

Black and white photograph of M M O'Shaughnessy and a group of 12 other men at the dedication of the Pittman plaque at the O'Shaughnessy dam.

Two copies of a black and white photograph of Supervisor Shannon (left) and Senator Pittman (right) shaking hands at the dedication of the Pittman Plaque, at the O'Shaughnessy dam.

Black and white photograph of M M O'Shaughnessy (left) and Senator Pittman (right) at the dedication of the Pittman Plaque, at the O'Shaughnessy dam.

Black and white photograph of M M O'Shaughnessy (middle) and two unidentified men on site.