--- type: "LegalText" title: "30 U.S.C. § 287" description: "Extension of prospecting permits" jurisdiction: "us" corpus: "united_states_code" kind: "code_section" title_number: 30 title_name: "MINERAL LANDS AND MINING" chapter_number: "3A" chapter_name: "LEASES AND PROSPECTING PERMITS" section: "287" citation: "30 U.S.C. § 287" status: "current" release_point: "119-100" release_date: "2026-06-26" source: "official" source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc30@119-100.zip" source_identifier: "/us/usc/t30/s287" source_file: "data/legal/raw/us/code/title-30/usc30.xml" source_hash: "2740344408b639bfa4601c2a2b983f6ec121baf637e993e276953b2dcad0b7df" raw_snapshot_hash: "355f8eb5c6ad5372de4a8e665d9ed90202d53d2aac19ac001d43948af4a4dd2f" text_hash: "0b1029e5f99d5dee5c34c3d99957b8623dac7d82a7ccf51248bfb5fc81baff0b" retrieved_at: "2026-07-04" confidence: "official" tags: ["legal", "us-code"] --- # 30 U.S.C. § 287 - Extension of prospecting permits ## Text Any prospecting permit issued under this subchapter may be extended by the Secretary of the Interior for a period not exceeding two years, upon a showing of satisfactory cause. (Feb. 7, 1927, ch. 66, § 7, as added May 7, 1932, ch. 174, 47 Stat. 151.) ## Notes Editorial Notes Codification Section was not enacted as part of act Feb. 25, 1920, ch. 85, 41 Stat. 437, known as the Mineral Leasing Act, which comprises this chapter.