![](coolie1.med.jpg)
These pictures were sent in by an independent contributor.
![](coolie2.med.jpg)
The dam contains 11,975,521 cubic yards of concrete. The first water spill over the dam took place on June 1, 1942.
![](coolie3.med.jpg)
These pictures were sent in by an independent contributor.
The dam contains 11,975,521 cubic yards of concrete. The first water spill over the dam took place on June 1, 1942.