About: http://webisa.webdatacommons.org/173230724

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	At both instances, I assumed it was something like the use of explosives to remove rock, and there is a quarry near where I live so it made sense to me at the time.
http://www.w3.org/ns/prov#wasQuotedFrom	strangesounds.org