This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
n4oceannavigator.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:389197111
rdf:type
prov:Entity
prov:value
Perhaps it is time for us, particularly Congress and the government, to stop looking on charts as a useful luxury and start regarding an up-to-date chart as an essential item of safety equipment that must be on every boat.
prov:wasQuotedFrom
n4:com
Subject Item
isap:381726053
prov:wasDerivedFrom
isa:389197111
Subject Item
isap:505772856
prov:wasDerivedFrom
isa:389197111