Earth fill dike nearing completion at the Onalaska dam. The Onalaska dam construction project was undertaken as a component 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.
The junction of the dike and the submergible section at the Onalaska dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
A truck sits across the gravel surface of the access road at the Onalaska dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
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.
A view of the rail spur at the Onalaska dam focuses on the pool area immediately upstream from the dam, looking downstream in the direction of the dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
The downstream apron of the Onalaska dam, complete. The Onalaska dam construction project was adopted as a 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.
Protection stone at the upstream face of the submergible dike, part of the construction of the Onalaska dam. The Onalaska dam construction project was undertaken as a component of improvements to the Upper Mississippi River.
Protection stone at the downstream face of the submergible dike, part of the construction of the Onalaska dam. The Onalaska dam construction project was undertaken as a component 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.
Culvert section of the Onalaska dam, looking downstream at the completed dam. The Onalaska dam project was undertaken as a part of improvements to the Upper Mississippi River.
Culvert section of the Onalaska dam, looking downstream at the completed dam. 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.