{"abstract":"On January 16, 2009, then Secretary of the Interior Dirk Kempthorne designated the following National Natural Landmarks: Big Bone Lick, Boone County, Kentucky; Cave Without a Name, Kendall County, Texas; Chazy Fossil Reef, Grand Isle County, Vermont and Clinton County, New York; and Nottingham Park Serpentine Barrens, Chester County, PA","action":"Public Notice of National Natural Landmark Designations.","agencies":[{"raw_name":"DEPARTMENT OF THE INTERIOR","name":"Interior Department","id":253,"url":"https://www.federalregister.gov/agencies/interior-department","json_url":"https://www.federalregister.gov/api/v1/agencies/253","parent_id":null,"slug":"interior-department"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2010/11/10/2010-28426.html","cfr_references":[],"citation":"75 FR 69120","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":null,"disposition_notes":null,"docket_ids":[],"dockets":[],"document_number":"2010-28426","effective_on":null,"end_page":69121,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2010/11/10/2010-28426.xml","html_url":"https://www.federalregister.gov/documents/2010/11/10/2010-28426/national-natural-landmark-designations","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2010-28426?publication_date=2010-11-10","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2010-11-10/2010-28426/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":156,"last_updated":"2026-04-04 14:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2010-11-10/pdf/2010-28426.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2010-11-10","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2010/11/10/2010-28426.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2010-12-05T17:35:06Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":69120,"subtype":null,"title":"National Natural Landmark Designations","toc_doc":"Designation of National Natural Landmarks","toc_subject":null,"topics":[],"type":"Notice","volume":75}