{"abstract":"The administrative boundaries between the Central Montana District Office, Lewistown Field Office, and the Western Montana District Office, Butte Field Office, are being changed. The administrative boundary change will realign Lewis and Clark County, currently a split county between the two offices, to the Western Montana District Office, Butte Field Office.","action":"Notice.","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"},{"raw_name":"Bureau of Land Management","name":"Land Management Bureau","id":275,"url":"https://www.federalregister.gov/agencies/land-management-bureau","json_url":"https://www.federalregister.gov/api/v1/agencies/275","parent_id":253,"slug":"land-management-bureau"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2011/12/09/2011-31651.html","cfr_references":[],"citation":"76 FR 77008","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"The boundary change is effective October 1, 2011.","disposition_notes":null,"docket_ids":["LLMT930000-12-L18200000-XX0000"],"dockets":[],"document_number":"2011-31651","effective_on":"2011-10-01","end_page":77008,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2011/12/09/2011-31651.xml","html_url":"https://www.federalregister.gov/documents/2011/12/09/2011-31651/notice-of-administrative-boundary-change-for-bureau-of-land-management-offices-in-montana-to","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2011-31651?publication_date=2011-12-09","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2011-12-09/2011-31651/mods.xml","not_received_for_publication":null,"page_length":1,"page_views":{"count":53,"last_updated":"2026-09-20 22:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2011-12-09/pdf/2011-31651.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2011-31651.pdf?1323362224","publication_date":"2011-12-09","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2011/12/09/2011-31651.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-12-29T09:04:35Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":77008,"subtype":null,"title":"Notice of Administrative Boundary Change for Bureau of Land Management Offices in Montana To Eliminate the County Split of Lewis and Clark County","toc_doc":"Elimination of County Split of Lewis and Clark County in Montana Offices","toc_subject":"Boundary Changes:","topics":[],"type":"Notice","volume":76}