<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Lake_freighter> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Niagara_(ship)> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tugboats_on_the_Great_Lakes> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"''Niagara''" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/activeYearsEndDate>	"1904-06-04" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Great_Lakes_museum_and_historic_ship> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Ships_built_in_Detroit> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/George_Steers_and_Co> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"''Niagara'' (tug)" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Niagara (tug)" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_Great_Lakes_museum_and_historic_ships> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/country>	<http://caligraph.org/resource/United_States> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Tall_ship> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Maritime_incidents_in_1904> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Tugboat_on_the_Great_Lakes> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Shipwrecks_of_the_Minnesota_coast> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Shipwreck_of_the_Minnesota_coast> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Shipwreck_of_western_Lake_Superior> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Steamship_of_the_United_States> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Wooden_boats_of_World_War_II> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Compound_steam_engine> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Maritime_incident_in_1904> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Steamships_of_the_United_States> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_shipwrecks_of_western_Lake_Superior> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Ship_replica> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1872_ship> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Niagara_(tug)> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Shipwreck_on_the_National_Register_of_Historic_Places_in_Minnesota> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1872_ships> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/2000/01/rdf-schema#label>	"Niagara (tug)" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/builder>	<http://caligraph.org/resource/Detroit> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Fathom_Five_National_Marine_Park> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Ship_built_in_Detroit> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Niagara" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"SS Niagara" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Wreck_diving_site_in_the_United_States> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Ships_sunk_with_no_fatalities> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/length>	"39.624" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/builder>	<http://caligraph.org/resource/Dry_Dock_Complex_(Detroit,_Michigan)> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/type>	<http://caligraph.org/resource/Tugboat> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/builder>	<http://caligraph.org/resource/Michigan> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Shipwrecks_on_the_National_Register_of_Historic_Places_in_Minnesota> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Ship_sunk_with_no_fatalities> .
<http://caligraph.org/resource/Niagara_(tug)>	<http://caligraph.org/ontology/shipBeam>	"7.491984" .
<http://caligraph.org/resource/Niagara_(tug)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Wreck_diving_sites_in_the_United_States> .