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30 USC § 541a - Claims located prior to May 25, 1955; extra­lateral rights; amended notice of mining location 

---
identifier: "/us/usc/t30/s541a"
source: "usc"
legal_status: "official_prima_facie"
title: "30 USC § 541a - Claims located prior to May 25, 1955; extra­lateral rights; amended notice of mining location"
title_number: 30
title_name: "MINERAL LANDS AND MINING"
section_number: "541a"
section_name: "Claims located prior to May 25, 1955; extra­lateral rights; amended notice of mining location"
chapter_number: 12
chapter_name: "ENTRY AND LOCATION ON COAL LANDS ON DISCOVERY OF SOURCE MATERIAL"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Aug. 11, 1955, ch. 795, § 2, 69 Stat. 679.)"
---

# § 541a. Claims located prior to May 25, 1955; extra­lateral rights; amended notice of mining location

section 541 of this titleMay 25, 1955section 541 of this title*Provided**And provided further*August 11, 1955

Any mining claim located in a manner prescribed by the mining laws of the United States upon lands of the character described in , prior to , if based upon a discovery of valuable source material contained in lignite shall be effective to the same extent as if such lands at the time of location, and at all times thereafter, had not been classified as or known to be valuable for coal subject to disposition under the mineral leasing laws, subject, however, to the provisions of : , That no extralateral rights shall attach to any mining location validated under this section: , That the locator or locators of such a mining claim shall, not later than one hundred and eighty days from and after , post on the claim and file for record in the office where the notice or certificate of location is of record, an amended notice of the mining location stating that such amended notice is filed pursuant to the provisions of this chapter and for the purpose of obtaining the benefits thereof; and that a copy of said amended notice is, within the said one-hundred-and-eighty-day period, filed in the land office of the Bureau of Land Management for the State in which the mining location is situated, and the mining locator thereafter complies with the requirements of this chapter.

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**Source Credit**: (Aug. 11, 1955, ch. 795, § 2, 69 Stat. 679.)

## Statutory Notes and Related Subsidiaries

### Extension of Time for Annual Assessment Work

, , as amended by , , , provided for extension of time for period commencing , to 12 o’clock noon , during which labor must be performed, or improvements made pursuant to , or any unpatented mining claim validated under this section and for extension of time for period commencing , to 12 o’clock noon , during which labor must be performed, or improvements made pursuant to , on any other unpatented mining claim subject to this chapter.