About: http://webisa.webdatacommons.org/147725410

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 ???Source??? (_SRC) file gives basic information on the survey and data set that a sample belongs to, including the collector and institution, confidentialities, number of samples, dates, region, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov