Roller Coaster

This is the point where highway 34/73 crosses the Cheyenne River in west central South Dakota. This is a roller coaster road on a giant scale. What is most fascinating about the geography here is that these days the Cheyenne River is a mere trickle compared to the huge torrent it was millions of years…

03-23-10 You Be the Judge

Take a minute to look at this post from a while back (click here) and then consider the three biggest differences. And one similarity. Discuss. One similarity that I can see is that they were both taken through the window of a car on an interstate highway. A difference? In one the world is whizzing…