About: http://webisa.webdatacommons.org/194874934

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	However, digitizing polygons is a time-consuming, therefore expensive, method of converting archaeological locational data into GIS format.
http://www.w3.org/ns/prov#wasQuotedFrom	state.mn.us