About: http://webisa.webdatacommons.org/370794880

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	However, full depth penetration with the bore stems was a problem, and extracting the core stems proved difficult.
http://www.w3.org/ns/prov#wasQuotedFrom	usra.edu