Welcome to the jungle, we've got cache and games..
The Concrete Jungle..
Perhaps just Concrete in the Jungle..
Would you believe, Concrete in the Woods?
This cache is located in the EAST bound rest area on I-90 at mile 98 near the Cheyenne River and Wasta. There is a service road at the West end of the WEST bound rest area that you can WALK to the cache (Under the Interstate bridge.)