About: http://webisa.webdatacommons.org/347126066

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	Glassmaking was the primary industry for many Monongahela River towns, including the city of Pittsburgh as well as small towns such as New Geneva and Greensboro, for several decades preceding the Civil War.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org