About: http://webisa.webdatacommons.org/439080377

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	Using a geographic information system-based model that incorporates land use, soil characteristics, nitrogen inputs, and other factors, we are estimating private well nitrate levels for the Agricultural Health Study cohort.
http://www.w3.org/ns/prov#wasQuotedFrom	cancer.gov