http://dbpedia.org/resource/Missouri_River	http://dbpedia.org/ontology/sourceConfluenceRegion	http://dbpedia.org/resource/Montana
http://dbpedia.org/resource/River_Wey	http://dbpedia.org/ontology/sourceConfluenceRegion	http://dbpedia.org/resource/Surrey
http://dbpedia.org/resource/Rhine	http://dbpedia.org/ontology/sourceConfluenceRegion	http://dbpedia.org/resource/Graubünden