About: http://webisa.webdatacommons.org/38128070

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	Those surveyors were not necessarily familiar with Iowa landscape, however, so the standards they applied to it varied --- but you can get the idea under the modern overlay of roads, towns, cemeteries and other features.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com