About: http://webisa.webdatacommons.org/216947814

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	For longer bores (over 500 ft/ 150 m) in hard rock, you don???t want to be limited by your auger or consumables such as cutters.
http://www.w3.org/ns/prov#wasQuotedFrom	therobbinscompany.com