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Get a big map of the world, or United States and you throw darts at it. It's more of a family project, or if you like to travel. Wherever the dart lands, that's the next place you visit. It's all about being spontaneous.
Fisk’s »Geological Investigation of the Alluvial Valley of the Lower Mississippi River« These maps come from a 1944 report on the history of the Mississippi river. The images were downloaded from the US Army Corps of Engineers, resampled to 25%, and uploaded to Flickr for convenience of browsing.
Harold N. Fisk, Map of ancient courses of the Mississippi river (Mississippi River Meander Belt), 1944.