About: http://webisa.webdatacommons.org/397377112

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	The exact distance of the spacing is determined by taking into consideration such factors as soil porosity and permeability, available water treatment facilities, and the time in which it is desired to complete treatment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com