Are these Missouri River hills at Watford City Birnt or Burnt?

Are these Missouri River hills at Watford City Birnt or Burnt?

Birnt Hills? Yeah, I heard of Birnt Hills, but I never really had the motivation to check out the area.  My bad.  Now I wish I’d visited before now.  It’s the kind of tranquil place that a lot of people would like to find these days. We were reminded of the Birnt...