Each color represents a different moment in the river’s long history, and the images are layered up so you can see it all at a glance. What a great idea! I wish I could say I came up with it first, but these maps were drawn up by Harold N. Fisk in 1944. If you’d like to see the whole thing in more detail, there’s a high-resolution version<\/a> (4 MB, 1000×5871 pixels!) on Flickr.<\/p>\n","protected":false},"excerpt":{"rendered":" Sorry for the lack of updates recently: our server got hacked over the holidays, and it’s taken us a while to get all the pieces back together again. Here’s one very cool thing that came to my attention recently: it’s a map of the alluvial valley of the Mississippi River, showing how the course of […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-global-news"],"_links":{"self":[{"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/posts\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/comments?post=63"}],"version-history":[{"count":0,"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/posts\/63\/revisions"}],"wp:attachment":[{"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/media?parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/categories?post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/grafarc.org\/news\/wp-json\/wp\/v2\/tags?post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![](\"http:\/\/otherthings.com\/grafarc\/images\/mississippi_detail1_small.jpg\")
<\/a><\/p>\n