Soil from each state make a U.S. map
A Canadian created a US map by requesting soil samples from each and every state and attaching it to a single page. Kansas declined but retired PR art professional Les Gregor's friend sent a bit for the artist's work. Here's a link to the whole dirty story - http://www.slate.com/articles/arts/design/2012/12/u_s_soil_map_a_map_made_with_dirt_samples_from_each_state.html?utm_medium=referral&utm_source=pulsenews