 | | Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa, 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Construction of Mill Creek Barrier Dam circa 1940. |
 | | Mill Creek Dam Barrier circa 1940. |
 | | Constructing a Government Lock at Fern Bank Dam, near Cincinnati. ca. 1911. |
 | | Traveling Cranes at the U.S. Government Dam at Fern Bank near Cincinnati. |
 | | Fernbank Dam, near Cincinnati, O. Showing Locks with Lower Gate Closed, and Wickets Partly Raised Between Bear Traps on Kentucky Side, and Locks on Ohio Side. |
 | | Fernbank Dam, near Cincinnati, O. Showing Lower Lock Gate (at left) Closed and Boat Passing Between Wickets. |
 | | Showing Wickets, Fernbank Dam, Cincinnati, O. |