30 U.S.C. § 541a : US Code - Section 541A: Claims located prior to May 25, 1955; extralateral rights; amended notice of mining location

Search 30 U.S.C. § 541a : US Code - Section 541A: Claims located prior to May 25, 1955; extralateral rights; amended notice of mining location

Any mining claim located in a manner prescribed by the mining
laws of the United States upon lands of the character described in
section 541 of this title, prior to May 25, 1955, 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
section 541 of this title: Provided, That no extralateral rights
shall attach to any mining location validated under this section:
And provided further, That the locator or locators of such a mining
claim shall, not later than one hundred and eighty days from and
after August 11, 1955, 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.