About: http://webisa.webdatacommons.org/28356073

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	Its expansion across the sparsely populated northern parts of the Prairie Provinces of Canada was not documented in detail, mainly because observers were few.
http://www.w3.org/ns/prov#wasQuotedFrom	birdwatchingdaily.com