6 million dollars
an estimated US$25 - US$75 billion
$6900069
suck it
122345456655
14.5 billion dollars (Y)
1,603,732,500
122345456655
15 billion dollars
$30 thousand
It was about 1000,000 of gold or more
$500 per generator after that it's virtually free
The eventual cost of the Grand Coulee Dam was about 300 million dollars. It still remains the largest concrete structure ever built.