An Illinois Central rail car is visible at the Onalaska dam and associated works. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
Progress on the construction of the Onalaska dam. The Onalaska dam construction project was undertaken as a component of improvements to the Upper Mississippi River.
Loading a wagon scraper at the borrow pit, part of the Onalaska dam project. The Onalaska dam was built as part of Upper Mississippi River improvements.
Workmen dump the wagon scraper, part of the construction of the Onalaska dam. The Onalaska dam project was undertaken as part of Upper Mississippi River improvements.
Grading with a bulldozer, part of the construction of the Onalaska dam. The Onalaska dam project was undertaken as part of improvements to the Upper Mississippi River.
The dewatering system at the Onalaska dam discharges on the downstream side of the cofferdam. The Onalaska dam was constructed as part of improvements to the Upper Mississippi River.
Workmen place concrete for slabs, part of the construction of the Onalaska dam. The Onalaska dam project was undertaken as part of improvements to the Upper Mississippi River.
Workmen move through the equipment in and around the dike, constructed as part of the Onalaska dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
The culvert wall takes shape as part of the Onalaska dam project. The Onalaska dam was constructed as part of improvements to the Upper Mississippi River.
Cranes are visible at the Onalaska dam under construction. The dam construction project was undertaken as a part of improvements to the Upper Mississippi River.
Typical grouted derrick stone at the face of the submergible section of the dike at the Onalaska dam. The Onalaska dam construction was undertaken as part of improvements to the Upper Mississippi River.
Placing derrick stone at the submergible section of the Onalaska dam. The Onalaska dam construction project was undertaken as a part of improvements to the Upper Mississippi River.
Progress continues on the Onalaska dam with the derrick stone in place. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
A typical section of the upstream face of the dike from the Onalaska dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
A typical section of the downstream face of the dike from the Onalaska dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
A general view of the upstream face of the dike at the Onalaska dam following the completion of the contract. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
A general view of the downstream face of the dike at the Onalaska dam, after the contract was completed. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
Two distant figures walk along the top of the submergible section of the dike at the Onalaska dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.