129 
(2) by striking ‘‘No’’ and inserting ‘‘(a) No’’; 
(3) by inserting ‘‘mineral materials, including’’ 
after ‘‘varieties of’’; 
(4) by striking ‘‘or cinders’’ and inserting ‘‘cin-
ders, and clay’’; and 
(5) by adding at the end the following: 
‘‘(b)(1) Subject to valid existing rights, after the date 
of enactment of the Hardrock Leasing and Reclamation Act 
of 2019, notwithstanding the reference to common varieties 
in subsection (a) and to the exception to such term relating 
to a deposit of materials with some property giving it dis-
tinct and special value, all deposits of mineral materials 
referred to in such subsection, including the block pumice 
referred to in such subsection, shall be subject to disposal 
only under the terms and conditions of the Materials Act 
of 1947 (30 U.S.C. 601–603). 
‘‘(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 subsection 
(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 en-
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130 
actment of the Hardrock Leasing and Reclamation 
Act of 2019; and 
‘‘(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 
date of enactment of the Hardrock Leasing and Rec-
lamation Act of 2019.’’. 
(b) MINERAL
MATERIALS
DISPOSAL
CLARIFICA-
TION.—Section 4 of the Act of July 23, 1955 (30 U.S.C. 
612), is amended— 
(1) in subsection (b) by inserting ‘‘and mineral 
material’’ after ‘‘vegetative’’; and 
(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 dis-
posal of materials on the public lands of the United States’’ 
(30 U.S.C. 601 et seq.) 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 fol-
lowing new section: 
‘‘SEC. 8. This Act may be cited as the ‘Surface Re-
sources Act of 1955’.’’. 
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131 
(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’’ 
(30 U.S.C. 601 et seq.) is amended by inserting 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 (chapter 375; 27 Stat. 348; 30 U.S.C. 
161), commonly known as the Building Stone Act, is hereby 
repealed. 
(2) Subject to valid existing rights, the Act of January 
31, 1901 (chapter 186; 31 Stat. 745; 30 U.S.C. 162), com-
monly known as the Saline Placer Act, is hereby repealed. 
SEC. 514. EFFECTIVE DATE. 
This Act shall take effect on the date of enactment of 
this Act, except as otherwise provided in this Act. 
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Union Calendar No. 374 
116TH CONGRESS 
2D SESSION 
H. R. 2579 
[Report No. 116–467] 
A BILL 
To modify the requirements applicable to locatable 
minerals on public domain lands, consistent with 
the principles of self-initiation of mining claims, 
and for other purposes. 
AUGUST 4, 2020 
Reported with an amendment; committed to the Com-
mittee of the Whole House on the State of the Union 
and ordered to be printed 
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