About: http://webisa.webdatacommons.org/13455537

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	180 days of service on deck on vessels operating on the oceans or the navigable waters of the United States including the Great Lakes.
http://www.w3.org/ns/prov#wasQuotedFrom	nemaritime.com