In the Spring of 2013 I was an invited research fellow at Chicago's Archeworks multidisciplinary design school. I spent much of the time exploring mapping techniques using scripting in R and ArchGIS. In this exercise I specifically looked at the production of corn in America. 

Dedicated corn fields, USA 2011

Dollars contributed to in federal agricultural subsidies, 2011

Dollars contributed to in federal agricultural subsidies vs quantities of corn grown, 2011

Total corn grown in the USA, 2011