http://dbpedia.org/data/Category:Upper_Cretaceous_Series_of_North_America.atom2024-03-30T01:15:53.481835ZOData Service and Descriptor Documenthttp://dbpedia.org/resource/Category:Upper_Cretaceous_Series_of_North_America2024-03-30T01:15:53.481835Z49688709821081501Upper Cretaceous Series of North AmericaUpper Cretaceous Series of North America