{"abstract":"This final rule revises the current regulations for the National Natural Landmarks (NNL) Program. These revisions ensure that owners of Potential National Natural Landmarks (PNNL) under consideration for possible national natural landmark designation are notified well in advance of such consideration and have the opportunity to comment on the proposals; that the National Park System Advisory Board reviews all future national natural landmark nominations and provides recommendations to the Secretary of the Interior about their qualifications for designation; and land is not included within an area designated by the Secretary if a private property owner objects to such a designation for his or her portion.","action":"Final rule.","agencies":[{"raw_name":"DERARTMENT 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"},{"raw_name":"National Park Service","name":"National Park Service","id":362,"url":"https://www.federalregister.gov/agencies/national-park-service","json_url":"https://www.federalregister.gov/api/v1/agencies/362","parent_id":253,"slug":"national-park-service"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/1999/05/12/99-9762.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"62","title":36}],"citation":"64 FR 25708","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This rule becomes effective on June 11, 1999.","disposition_notes":null,"docket_ids":[],"dockets":[],"document_number":"99-9762","effective_on":"1999-06-11","end_page":25723,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":null,"html_url":"https://www.federalregister.gov/documents/1999/05/12/99-9762/national-natural-landmarks-program","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/99-9762?publication_date=1999-05-12","mods_url":"https://www.govinfo.gov/metadata/granule/FR-1999-05-12/99-9762/mods.xml","not_received_for_publication":null,"page_length":16,"page_views":{"count":86,"last_updated":"2026-07-28 06:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-1999-05-12/pdf/99-9762.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"1999-05-12","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/1999/05/12/99-9762.txt","regulation_id_number_info":{"1024-AB96":{"issue":"199904","html_url":"https://www.federalregister.gov/regulations/1024-AB96/national-natural-landmarks-program","title":"National Natural Landmarks Program","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=199904&RIN=1024-AB96&operation=OPERATION_EXPORT_XML","priority_category":"Other Significant"}},"regulation_id_numbers":["1024-AB96"],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-09-21T04:21:21Z"},"regulations_dot_gov_url":null,"significant":true,"signing_date":null,"start_page":25708,"subtype":null,"title":"National Natural Landmarks Program","toc_doc":null,"toc_subject":null,"topics":[],"type":"Rule","volume":64}