Getting Started: 1933-1938
Over 15 million cubic yards of earth and rock are removed from the dam site.
Contact
Grand Coulee Visitor Center
(509) 633-9265
pninfo@usbr.gov
Columbia River Basin in Idaho, Oregon, Washington,
Montana & Wyoming
Over 15 million cubic yards of earth and rock are removed from the dam site.
Contact
Grand Coulee Visitor Center
(509) 633-9265
pninfo@usbr.gov