About: http://webisa.webdatacommons.org/355394855

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	(2) Indicates materials stored in locations such as mines, caves, and railroad tunnels exposed to saturated air, condensate, dripping water, and dust, on a seasonal basis.
http://www.w3.org/ns/prov#wasQuotedFrom	civildefensemuseum.com