About: http://webisa.webdatacommons.org/434529002

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	Montana produced the most silver in the country at this time due to the richness of copper in the state, where silver was a by-product.
http://www.w3.org/ns/prov#wasQuotedFrom	silverseek.com