About: http://webisa.webdatacommons.org/437955435

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	Add surrogate solution to all samples including field blanks, replicates, and field-matrix spikes.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov