<http://dbpedia.org/resource/Calais_Observatory>	<http://dbpedia.org/ontology/area>	"2023.43"^^<http://www.w3.org/2001/XMLSchema#double> .
<http://dbpedia.org/resource/Calais_Observatory>	<http://dbpedia.org/ontology/yearOfConstruction>	"1857Z"^^<http://www.w3.org/2001/XMLSchema#gYear> .
<http://dbpedia.org/resource/Calais_Observatory>	<http://dbpedia.org/ontology/added>	"2012-12-19Z"^^<http://www.w3.org/2001/XMLSchema#date> .
<http://dbpedia.org/resource/Calais_Observatory>	<http://dbpedia.org/ontology/nrhpReferenceNumber>	"12001069" .
<http://dbpedia.org/resource/Calais_Observatory>	<http://www.w3.org/2000/01/rdf-schema#comment>	"The Calais Observatory is a pair of granite fixtures in Meridian Park in Calais, Maine.  The two stones were used for mounting scientific equipment used in a variety of astronomical observations, principally for the accurate calculation by the United States Coast Survey of Calais's longitude with respect to meridians in Cambridge, Massachusetts, and Greenwich, England."@en .
<http://dbpedia.org/resource/Calais_Observatory>	<http://dbpedia.org/ontology/location>	<http://dbpedia.org/resource/Calais,_Maine> .
<http://dbpedia.org/resource/Calais_Observatory>	<http://xmlns.com/foaf/0.1/depiction>	<http://commons.wikimedia.org/wiki/Special:FilePath/CastineME_Observatory.jpg> .
<http://dbpedia.org/resource/Calais_Observatory>	<http://dbpedia.org/ontology/thumbnail>	<http://commons.wikimedia.org/wiki/Special:FilePath/CastineME_Observatory.jpg?width=300> .
<http://dbpedia.org/resource/Calais_Observatory>	<http://xmlns.com/foaf/0.1/name>	"Calais Observatory"@en .