About: http://webisa.webdatacommons.org/395401443

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	Cholera was a common cause of death on the trail west due to water sources being polluted by poor sanitation.
http://www.w3.org/ns/prov#wasQuotedFrom	tripod.com