After a fast reverse over-flight, a slower pass starts about 1:44, if you want to jump ahead…
![](http://geocosmicrex.com/wp-content/uploads/GooE_MT_EurekaDrums2SEwGrvlPitMdl_169-1024x576.jpg)
Extensive drumlin-field within the Rocky Mountain Trench at Eureka, Montana
After a fast reverse over-flight, a slower pass starts about 1:44, if you want to jump ahead…
Extensive drumlin-field within the Rocky Mountain Trench at Eureka, Montana