Katy Trail geology & nature | Sedalia to Jefferson City
8:06
Katy Trail geology & nature | Sedalia to Clinton
11:28
Katy Trail geology & nature | Augusta to Machens
34:29
Katy Trail: Bikepacking America's Longest Rail Trail
7:19
Why two geologists canceled a Grand Canyon vacation and headed to the Arkansas Ozarks instead
11:01
THE 400 STATE TRAIL, BIKE RIDE
15:12
Buried hills and hollows: the Ozarks' Precambrian landscape
23:29
Exploring the Precambrian igneous geology of the Ozarks' scenic St. Francois Mountains
20:01