110 
‘‘(b)(1) Subject to valid existing rights, after the date 
of enactment of the Hardrock Mining and Reclamation 
Act of 2007, notwithstanding the reference to common va-
rieties in subsection (a) and to the exception to such term 
relating to a deposit of materials with some property giv-
ing it distinct and special value, all deposits of mineral 
materials referred to in such subsection, including the 
block pumice referred to in such subsection, shall be sub-
ject to disposal only under the terms and conditions of 
the Materials Act of 1947. 
‘‘(2) For purposes of paragraph (1), the term ‘valid 
existing rights’ means that a mining claim located for any 
such mineral material— 
‘‘(A) had and still has some property giving it 
the distinct and special value referred to in sub-
section (a), or as the case may be, met the definition 
of block pumice referred to in such subsection; 
‘‘(B) was properly located and maintained 
under the general mining laws prior to the date of 
enactment of the Hardrock Mining and Reclamation 
Act of 2007; 
‘‘(C) was supported by a discovery of a valuable 
mineral deposit within the meaning of the general 
mining laws as in effect immediately prior to the 
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date of enactment of the Hardrock Mining and Rec-
lamation Act of 2007; and 
‘‘(D) that such claim continues to be valid 
under this Act.’’. 
(b) MINERAL
MATERIALS
DISPOSAL
CLARIFICA-
TION.—Section 4 of the Act of July 23, 1955 (30 U.S.C. 
612), is amended as follows: 
(1) In subsection (b) by inserting ‘‘and mineral 
material’’ after ‘‘vegetative’’. 
(2) In subsection (c) by inserting ‘‘and mineral 
material’’ after ‘‘vegetative’’. 
(c) CONFORMING AMENDMENT.—Section 1 of the 
Act of July 31, 1947, entitled ‘‘An Act to provide for the 
disposal of materials on the public lands of the United 
States’’ (30 U.S.C. 601 and following) is amended by 
striking ‘‘common varieties of’’ in the first sentence. 
(d) SHORT TITLES.— 
(1) SURFACE
RESOURCES.—The Act of July 
23, 1955, is amended by inserting after section 7 
the following new section: 
‘‘SEC. 8. This Act may be cited as the ‘Surface Re-
sources Act of 1955’.’’. 
(2) MINERAL MATERIALS.—The Act of July 31, 
1947, entitled ‘‘An Act to provide for the disposal of 
materials on the public lands of the United States’’ 
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(30 U.S.C. 601 and following) is amended by insert-
ing after section 4 the following new section: 
‘‘SEC. 5. This Act may be cited as the ‘Materials Act 
of 1947’.’’. 
(e) REPEALS.—(1) Subject to valid existing rights, 
the Act of August 4, 1892 (27 Stat. 348, 30 U.S.C. 161), 
commonly known as the Building Stone Act, is hereby re-
pealed. 
(2) Subject to valid existing rights, the Act of Janu-
ary 31, 1901 (30 U.S.C. 162), commonly known as the 
Saline Placer Act, is hereby repealed. 
Æ 
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