About: http://webisa.webdatacommons.org/195874861

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	Throughout the American Civil War he served the Union army and navy by the construction of maps and charts and by surveys as well as by tidal and other information.
http://www.w3.org/ns/prov#wasQuotedFrom	reference.com