<http://schema.org/description>
"A recent scare at a dairy farm in Montour County reminds us about the dangers from gases that are present in and around manure storage facilities."^^<http://www.w3.org/2001/XMLSchema#string>
<http://extension.psu.edu/plants/crops/news/2012/10/beware-of-toxic-gases-from-manure-storages>