Structure: dam

Altona Flat Rock dam construction, August 1911. From: “Book 13- Altona Dam Vol. 1”

Weir at Altona Dam, May 1911. (Book 13- Altona Dam Vol. 1)

Cement Mixer Altona Dam, September 1911. From: “Book 13- Altona Dam Vol. 1”

Looking northeast during rebar installation at the Altona Dam, April 1911. From: “Book 13- Altona Dam Vol. 1”

Altona Dam Construction, April 1911. From: “Book 13- Altona Dam Vol. 1”

Altona Dam Cribbing, April 1911. From: “Book 13- Altona Dam Vol. 1”

Altona Dam, September 1911. From: “Book 13- Altona Dam Vol. 1”

Altona Dam Cribbing, April 1911. From: “Book 13- Altona Dam Vol. 1”

Altona Flat Rock Dam Construction, May 1911. From: “Book 13- Altona Dam Vol. 1”