Person: construction workers

Construction of the dam wall; Looking South from Cobblestone Hill. From: Book 13- Altona Dam Vol. 1.

Steam shovel excavating the main outlet. From: (Book 13- Altona Dam Vol. 1)

Steam Shovel Trench adjacent to dam wall. From: Book 13- Altona Dam Vol. 1

Work operating steam shovel and others on the ground. From: Book 13- Altona Dam Vol. 1

Altona Flat Rock Dam Wall Construction. From: Book 13- Altona Dam Vol. 1

Rebar in dam wall footing; visitors, March 1911. From: Book 13- Altona Dam Vol. 1

Laying concrete on reservoir bottom. From: Book 13- Altona Dam Vol. 1

Worker inspecting steam shovel. From: Book 13- Altona Dam Vol. 1

Worker pouring concrete onto the reservoir, Cobblestone Hill at Altona Dam. From: Book 13- Altona Dam Vol. 1

Installing the forms for the Altona Flat Rock Dam. From: Book 13- Altona Dam Vol. 1