About: http://webisa.webdatacommons.org/417932240

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	Official files of the IHS are papers, photographs, maps, or other documentary materials, regardless of physical form or characteristics, which have documentary or evidential value.
http://www.w3.org/ns/prov#wasQuotedFrom	ihs.gov