 The Rampart Dam 's large size had a correspondingly large price tag . The Corps of Engineers anticipated spending $ 618 @.@ 4 million ( 1970 dollars ) on construction of the physical dam alone , another $ 492 million for power @-@ generating equipment , and $ 1 @.@ 39 billion in total . That total included $ 15 @.@ 59 million for relocating Alaskans from the area to be flooded , $ 56 million for fish and wildlife facilities to mitigate the anticipated losses , and $ 39 @.@ 7 million for roads and bridges to access the area . After completion of the dam , the Corps of Engineers estimated that operation and maintenance of the project would cost $ 6 @.@ 5 million annually , including $ 570 @,@ 000 for replacement power equipment and $ 2 million for the maintenance of fish and wildlife facilities . 
