Tag: road trip 2017

[youtube https://www.youtube.com/watch?v=WZUaymqauOc&w=560&h=315] After being educated in the geology of the Badlands, the traveler is tasked with something peculiar: to make what one sees match what one knows. The various sedimentary layers are color coded for when they were formed. White indicates about 30 million years ago; red indicates about 32 million years ago; grey and…