<http://schema.org/description>
"More than 20% of total rail carloads stem from the coal industry. Because of this reliance on coal shipments, CSX and Norfolk Southern each saw revenues from coal shipments drop by double digits"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/06/23/are-our-railroads-in-trouble/20631934/?gen=1>