Trip Start Jul 15, 2010
15Trip End Jul 28, 2010
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On The Mississippi we learned about lake agase which used to be there prehistorically and how deposition and erosion have caused unwanted meandering. Tim loose, the director of pool 9, told us about how they have controlled the river by placing rocks called wingdams and dredging sand into islands to keep the water path correct. They even have a beneficial use site with free sand from the bottom of the miss.
Next we left for Worthington, MN. On the way we stopped at a spring that was flowing out of an aquiclue. It was about a 6 hour car ride but with the bus and taking stops, we ended up an hour away at dusk. We stopped at a fairground and slept with the carnies
Yesterday we took off in the morning for the badlands. We stopped at sioux falls and saw the pink quartzite that makes up the falls deposited around 1.8 billion years ago, just like in baraboo. We were sent on a "big mission" to sketch the rock and determine it's story. Let's just say Josie, Alex, and I were REALLY GOOD at telling the story. The people in the Visitor's Center thought so too ;). We learned it was sedimentary but had lately changed metamorphic in the last couple ten thousand years. There were both river and lake ripples --which is very unique. Last but not least, the rock contained Pink Quartzite (of course), Granite, and Jasper.
On our way to the badlands we encountered an awful storm. Worse than our camping experience. We luckily were on the outskirts of the cloud but we heard reports of tennis ball size hail. We made it to a gas station while the storm passed over but Josie and I were trapped in the bus due to the rain. Winds were 60mph and you couldn't see 3 feet in front of you.
We made it to the badlands around 7 but that was with an hour extra due to moving into mountain time.
We ate dinner and had a nice chat with two members of the Lakota Tribe and we had a ceremony to split the clouds to avoid more rain that night. The night was a little windy and a creature was munching outside the tent, but we lived. (DUMB BUNNY!)
Today we're checking out the Badlands and then will travel to Custer, SD to stay for a while in the Black Hills.