<http://schema.org/description>
"The Marcellus Shale Education and Training Center (MSETC) recently released  a workforce assessment study to help estimate the direct workforce requirements in the Marcellus shale."^^<http://www.w3.org/2001/XMLSchema#string>
<http://extension.psu.edu/natural-resources/natural-gas/news/2011/07/marcellus-shale-direct-workforce>