Matches in DBpedia 2014 for { ?s ?p The Calais Observatory is a pair of granite fixtures in Meridian Park, on the grounds of the former Calais Academy, 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.The site was listed on the National Register of Historic Places in 2012, and is part of the National Oceanic and Atmospheric Administration's Heritage Trail program.. }
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- Calais_Observatory abstract "The Calais Observatory is a pair of granite fixtures in Meridian Park, on the grounds of the former Calais Academy, 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.The site was listed on the National Register of Historic Places in 2012, and is part of the National Oceanic and Atmospheric Administration's Heritage Trail program.".