<http://schema.org/about>
"Reuters investigates the growing trend of builders  keeping hush about the severing of mineral rights attached to newly built homes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/at-home/blogs/what-lies-beneath-is-the-ground-underneath-your-home-ripe-for-fracking>