About: http://webisa.webdatacommons.org/8269163

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	The levels are set based on factors including numbers and sizes of boats, their speed and maneuverability, and channel size or capacity.
http://www.w3.org/ns/prov#wasQuotedFrom	asce.org