30 U.S.C. § 521 : US Code - Section 521: Mineral leasing claims

Search 30 U.S.C. § 521 : US Code - Section 521: Mineral leasing claims

(a) Preference categories
Subject to the conditions and provisions of this chapter and to
any valid intervening rights acquired under the laws of the United
States, any mining claim located under the mining laws of the
United States subsequent to July 31, 1939, and prior to February
10, 1954, on lands of the United States, which at the time of
location were -
(1) included in a permit or lease issued under the mineral
leasing laws; or
(2) covered by an application or offer for a permit or lease
which had been filed under the mineral leasing laws; or
(3) known to be valuable for minerals subject to disposition
under the mineral leasing laws,
shall be effective to the same extent in all respects as if such
lands at the time of location, and at all times thereafter, had not
been so included or covered or known: Provided, however, That, in
order to be entitled to the benefits of this chapter, the owner of
any such mining claim located prior to January 1, 1953, must have
posted and filed for record, within the time allowed by the
provisions of chapter 11 of this title, an amended notice of
location as to such mining claim, stating that such notice was
filed pursuant to the provisions of said chapter 11 and for the
purpose of obtaining the benefits thereof: And provided further,
That in order to obtain the benefits of this chapter, the owner of
any such mining claim located subsequent to December 31, 1952, and
prior to February 10, 1954, not later than one hundred and twenty
days after August 13, 1954, must post on such claim in the manner
required for posting notice of location of mining claims and file
for record in the office where the notice or certificate of
location of such claim is of record an amended notice of location
for such claim, stating that such notice is filed pursuant to the
provisions of this chapter and for the purpose of obtaining the
benefits thereof and, within said one hundred and twenty day
period, if such owner shall have filed a uranium lease application
as to the tract covered by such mining claim, must file with the
Atomic Energy Commission a withdrawal of such uranium lease
application or, if a uranium lease shall have issued pursuant
thereto, a release of such lease, and must record a notice of the
filing of such withdrawal or release in the county office wherein
such notice or certificate of location shall have been filed for
record.
(b) Labor and improvements
Labor performed or improvements made after the original location
of and upon or for the benefit of any mining claim which shall be
entitled to the benefits of this chapter under the provisions of
subsection (a) of this section, shall be recognized as applicable
to such mining claim for all purposes to the same extent as if the
validity of such mining claim were in no respect dependent upon the
provisions of this chapter.
(c) Withdrawal or reservation of lands
As to any land covered by any mining claim which is entitled to
the benefits of this chapter under the provisions of subsection (a)
of this section, any withdrawal or reservation of lands made after
the original location of such mining claim is hereby modified and
amended so that the effect thereof upon such mining claim shall be
the same as if such mining claim had been located upon lands of the
United States which, subsequent to July 31, 1939, and prior to the
date of such withdrawal or reservation, were subject to location
under the mining laws of the United States.