{ "items" : [
    { "id" : "http://dbpedia.org/resource/Holtkamp_Round_Barn"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Holtkamp Round Barn is an historical structure located near Salem in rural Henry County, Iowa.  It was built in 1918 and has been listed on the National Register of Historic Places since 1986.  The building is a true round barn that measures 50 feet (15.2 m) around.  It is constructed of clay tile and features an aerator, and a two-pitch roof." ] ,
        "http://xmlns.com/foaf/0.1/name" : [ "Holtkamp Round Barn" ] ,
        "http://dbpedia.org/ontology/added" : [ "1986-06-30Z" ] ,
        "http://dbpedia.org/ontology/location" : [ "http://dbpedia.org/resource/Salem,_Iowa",
          "http://dbpedia.org/resource/U.S._Route_218" ] ,
        "http://dbpedia.org/ontology/nrhpReferenceNumber" : [ "86001436" ] ,
        "http://dbpedia.org/ontology/yearOfConstruction" : [ "1918Z"] } } }
