Wall forms at the Altona Flat Rock Dam
![](https://i0.wp.com/whminerarchives.org/wp-content/uploads/2019/10/13-16.jpg?fit=998%2C630)
Construction at the Altona Flat Rock Dam, September 1911. From: Book 13- Altona Dam Vol. 1. |
Miner Institute Online Archives
Construction at the Altona Flat Rock Dam, September 1911. From: Book 13- Altona Dam Vol. 1. |