Lakes

Can You Identify This Lake Outside of Billings?
Can You Identify This Lake Outside of Billings?
Can You Identify This Lake Outside of Billings?
A few weeks ago I flew to Las Vegas and I was sitting on the right side of the airplane. Maybe 15 or 20 minutes after we took off from Billings I saw this huge lake but I couldn't figure out what it is. It's so big I thought I'd be able to map it with Google Earth but no luck...