About: http://webisa.webdatacommons.org/221797672

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	Bolts were an excepted method of getting from crack to crack or creating a bomber anchor.
http://www.w3.org/ns/prov#wasQuotedFrom	supertopo.com