Because I thought of southern Illinois as the "breadbasket of the world", I did a google search and found the following URL--and found where coalmining in southern Illinois is viewed with an eye toward its adverse effects on "the breadbasket of the world":
http://www.pjstar.com/news/ssection/coal/REG_B896U3VO.0030.shtml
Typo made in that URL! Should be:
http://www.pjstar.com/news/ssection/coal/REG_B896U3VO.030.shtml