I have taken interest in this thread, because...
My Dad worked on the Fort Peck Dam in the summer between his junior and senior years in HS (I believe that would have been 1936). Several of his older brothers worked on it across several years. (At that time, the family lived nearby in MT.)
Some years ago, my wife and I camped at the park nearest the Dam. It was a beautiful spot, and we had some wonderful experiences there. We toured the Dam, of course. We also met an interesting couple who were full-timing it in a Road Trek Class B van! And we participated in a local pig roast and "hoe down."
We would love to go back, with or without the C-Dory.