About: http://webisa.webdatacommons.org/75033866

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	holes can be drilled vertically or, where existing structures or other site constraints are
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com