Getting Started: 1933-1938
In a year, over 1.8 million yards of concrete is poured. And this is just for the foundation!
Contact
Grand Coulee Visitor Center
(509) 633-9265
pninfo@usbr.gov
Columbia River Basin in Idaho, Oregon, Washington,
Montana & Wyoming
In a year, over 1.8 million yards of concrete is poured. And this is just for the foundation!
Contact
Grand Coulee Visitor Center
(509) 633-9265
pninfo@usbr.gov