This Act may be cited as the “National Heritage Area Authority Extension Act of 2021”.

(a) Illinois and michigan canal national heritage corridor.—Section 126 of the Illinois and Michigan Canal National Heritage Corridor Act of 1984 (54 U.S.C. 320101 note; Public Law 98–398; 98 Stat. 1456; 120 Stat. 1853) is amended by striking “the date that is 15 years after the date of enactment of this section” and inserting “September 30, 2036”.

(b) John H. chafee blackstone river valley national heritage corridor.—Section 10(a) of Public Law 99–647 (54 U.S.C. 320101 note; 100 Stat. 3630; 104 Stat. 1018; 128 Stat. 3804) is amended by striking “2021” and inserting “2036”.

(c) Delaware and lehigh national heritage corridor.—Section 12 of the Delaware and Lehigh Navigation Canal National Heritage Corridor Act of 1988 (54 U.S.C. 320101 note; Public Law 100–692; 102 Stat. 4558; 112 Stat. 3260; 123 Stat. 1293; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3801) is amended—

(1) in subsection (c)(1), by striking “2021” and inserting “2036”; and

(2) in subsection (d), by striking “2021” and inserting “2036”.

(d) The last green valley national heritage corridor.—Section 106(b) of the Quinebaug and Shetucket Rivers Valley National Heritage Corridor Act of 1994 (54 U.S.C. 320101 note; Public Law 103–449; 108 Stat. 4755; 113 Stat. 1728; 123 Stat. 1291; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(e) National coal heritage area.—Section 107 of the National Coal Heritage Area Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4244; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3801) is amended by striking “2021” and inserting “2036”.

(f) Tennessee civil war heritage area.—Section 208 of division II of the Omnibus Parks and Public Lands Management Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4248; 127 Stat. 420; 128 Stat. 314; 129 Stat. 2551; 132 Stat. 661; 133 Stat. 778) is amended by striking “2021” and inserting “2036”.

(g) Augusta canal national heritage corridor.—Section 310 of division II of the Omnibus Parks and Public Lands Management Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4252; 127 Stat. 420; 128 Stat. 314; 129 Stat. 2551; 132 Stat. 661; 133 Stat. 778) is amended by striking “2021” and inserting “2036”.

(h) Rivers of steel national heritage area.—Section 408 of the Steel Industry American Heritage Area Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4256; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3801) is amended by striking “2021” and inserting “2036”.

(i) Essex national heritage area.—Section 507 of division II of the Omnibus Parks and Public Lands Management Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4260; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3801) is amended by striking “2021” and inserting “2036”.

(j) South carolina national heritage corridor.—Section 607 of the South Carolina National Heritage Corridor Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4264; 127 Stat. 420; 128 Stat. 314; 129 Stat. 2551; 132 Stat. 661; 133 Stat. 778) is amended by striking “2021” and inserting “2036”.

(k) America's Agricultural Heritage Partnership.—Section 707 of division II of the Omnibus Parks and Public Lands Management Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4267; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3801) is amended by striking “2021” and inserting “2036”.

(l) Ohio & erie National Heritage Canalway.—Section 809 of the Ohio & Erie Canal National Heritage Corridor Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4275; 122 Stat. 826; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3801) is amended by striking “2021” and inserting “2036”.

(m) Maurice D. Hinchey Hudson River Valley National Heritage Area.—Section 910 of the Hudson River Valley National Heritage Area Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4281; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3801) is amended by striking “2021” and inserting “2036”.

(n) MotorCities national heritage area.—Section 109 of the Automobile National Heritage Area Act (54 U.S.C. 320101 note; Public Law 105–355; 112 Stat. 3252; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(o) Lackawanna valley national heritage area.—Section 108 of the Lackawanna Valley National Heritage Area Act of 2000 (54 U.S.C. 320101 note; Public Law 106–278; 114 Stat. 818; 127 Stat. 420; 128 Stat. 314; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(p) Schuylkill River Valley National Heritage Area.—Section 209 of the Schuylkill River Valley Heritage Area Act (54 U.S.C. 320101 note; Public Law 106–278; 114 Stat. 824; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(q) Wheeling national heritage area.—Subsection (i) of the Wheeling National Heritage Area Act of 2000 (54 U.S.C. 320101 note; Public Law 106–291; 114 Stat. 967; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(r) Yuma crossing national heritage area.—Section 7 of the Yuma Crossing National Heritage Area Act of 2000 (54 U.S.C. 320101 note; Public Law 106–319; 114 Stat. 1284; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(s) Erie canalway national heritage corridor.—Section 811 of the Erie Canalway National Heritage Corridor Act (54 U.S.C. 320101 note; Public Law 106–554; 114 Stat. 2763A–295; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(t) Blue ridge national heritage area.—Subsection (j) of the Blue Ridge National Heritage Area Act of 2003 (54 U.S.C. 320101 note; Public Law 108–108; 117 Stat. 1280; 133 Stat. 778) is amended by striking “2021” and inserting “2036”.

(u) National Aviation Heritage Area.—Section 512 of the National Aviation Heritage Area Act (54 U.S.C. 320101 note; Public Law 108–447; 118 Stat. 3367; 133 Stat. 2713) is amended by striking “September 30, 2022” and inserting “September 30, 2036”.

(v) Oil Region National Heritage Area.—Section 608 of the Oil Region National Heritage Area Act (54 U.S.C. 320101 note; Public Law 108–447; 118 Stat. 3372; 133 Stat. 2713) is amended by striking “September 30, 2022” and inserting “September 30, 2036”.

(w) Northern rio grande national heritage area.—Section 208 of the Northern Rio Grande National Heritage Area Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1790) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(x) Atchafalaya national heritage area.—Section 221 of the Atchafalaya National Heritage Area Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1795) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(y) Arabia mountain national heritage area.—Section 240 of the Arabia Mountain National Heritage Area Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1799) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(z) Mormon pioneer national heritage area.—Section 260 of the Mormon Pioneer National Heritage Area Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1807) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(aa) Freedom's frontier national heritage area.—Section 269 of the Freedom's Frontier National Heritage Area Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1813) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(bb) Upper housatonic valley national heritage area.—Section 280B of the Upper Housatonic Valley National Heritage Area Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1819) is amended by striking “the day occurring 15 years after the date of the enactment of this subtitle” and inserting “September 30, 2036”.

(cc) Champlain Valley national heritage partnership.—Section 289 of the Champlain Valley National Heritage Partnership Act of 2006 (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1824) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(dd) Great Basin National Heritage Route.—Section 291J of the Great Basin National Heritage Route Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1831) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(ee) Gullah/Geechee Cultural Heritage Corridor.—Section 295L of the Gullah/Geechee Cultural Heritage Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1837) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(ff) Crossroads of the American Revolution National Heritage Area.—Section 297H of the Crossroads of the American Revolution National Heritage Area Act of 2006 (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1844) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(gg) Abraham lincoln national heritage area.—Section 451 of the Consolidated Natural Resources Act of 2008 (54 U.S.C. 320101 note; Public Law 110–229; 122 Stat. 824) is amended by striking “the date that is 15 years after the date of the enactment of this subtitle” and inserting “September 30, 2036”.

(hh) Journey through hallowed ground national heritage area.—Section 411 of the Consolidated Natural Resources Act of 2008 (54 U.S.C. 320101 note; Public Law 110–229; 122 Stat. 809) is amended by striking “the date that is 15 years after the date of enactment of this subtitle” and inserting “September 30, 2036”.

(ii) Niagara falls national heritage area.—Section 432 of the Consolidated Natural Resources Act of 2008 (54 U.S.C. 320101 note; Public Law 110–229; 122 Stat. 818) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(jj) Kenai Mountains-Turnagain Arm National Heritage Area.—Section 8010(i) of the Omnibus Public Land Management Act of 2009 (54 U.S.C. 320101 note; Public Law 111–11; 123 Stat. 1288) is amended by striking “the date that is 15 years after the date of enactment of this Act” and inserting “September 30, 2036”.

(a) Rivers of steel national heritage area.—Section 409(a) of the Steel Industry American Heritage Area Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4256; 129 Stat. 2551; 133 Stat. 778) is amended, in the second sentence, by striking “$20,000,000” and inserting “$22,000,000”.

(b) Essex national heritage area.—Section 508(a) of division II of the Omnibus Parks and Public Lands Management Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4260; 129 Stat. 2551; 133 Stat. 778) is amended, in the second sentence, by striking “$20,000,000” and inserting “$22,000,000”.

(c) South carolina national heritage corridor.—Section 608(a) of the South Carolina National Heritage Corridor Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4264; 122 Stat. 824; 133 Stat. 2714) is amended, in the second sentence, by striking “$17,000,000” and inserting “$19,000,000”.

(d) America’s agricultural heritage partnership.—Section 708(a) of division II of the Omnibus Parks and Public Lands Management Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4267; 122 Stat. 824; 134 Stat. 1505) is amended, in the second sentence, by striking “$17,000,000” and inserting “$19,000,000”.

(e) Ohio & erie national heritage canalway.—Section 812(a) of the Ohio & Erie Canal National Heritage Corridor Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4275; 133 Stat. 778) is amended by striking “$20,000,000” and inserting “$22,000,000”.

(f) Maurice d. hinchey hudson river valley national heritage area.—Section 909(c) of the Hudson River Valley National Heritage Area Act of 1996 (54 U.S.C. 320101 note; Public Law 104–333; 110 Stat. 4280; 122 Stat. 824) is amended, in the matter preceding paragraph (1), by striking “$15,000,000” and inserting “$17,000,000”.

(g) MotorCities national heritage area.—Section 110(a) of the Automobile National Heritage Area Act (54 U.S.C. 320101 note; Public Law 105–355; 112 Stat. 3252; 133 Stat. 778) is amended, in the second sentence, by striking “$12,000,000” and inserting “$14,000,000”.

(h) Wheeling national heritage area.—Subsection (h)(1) of the Wheeling National Heritage Area Act of 2000 (54 U.S.C. 320101 note; Public Law 106–291; 114 Stat. 967; 133 Stat. 778) is amended by striking “$15,000,000” and inserting “$17,000,000”.

(i) Erie Canalway National Heritage Corridor.—Section 810(a)(1) of the Erie Canalway National Heritage Corridor Act (54 U.S.C. 320101 note; Public Law 106–554; 114 Stat. 2763A–303; 131 Stat. 461; 133 Stat. 2714) is amended by striking “$14,000,000” and inserting “$16,000,000”.

(j) Illinois and michigan canal national heritage corridor.—Section 125(a) of the Illinois and Michigan Canal National Heritage Corridor Act of 1984 (54 U.S.C. 320101 note; Public Law 98–398; 98 Stat. 1456; 120 Stat. 1853) is amended by striking “$10,000,000” and inserting “$12,000,000”.

(k) The last green valley national heritage corridor.—Section 109(a) of the Quinebaug and Shetucket Rivers Valley National Heritage Corridor Act of 1994 (54 U.S.C. 320101 note; Public Law 103–449; 108 Stat. 4756; 113 Stat. 1729; 123 Stat. 1292; 133 Stat. 2714) is amended, in the first sentence, by striking “$17,000,000” and inserting “$19,000,000”.

(l) Lackawanna valley national heritage area.—Section 109(a) of the Lackawanna Valley National Heritage Area Act of 2000 (54 U.S.C. 320101 note; Public Law 106–278; 114 Stat. 818; 134 Stat. 1505) is amended by striking “$12,000,000” and inserting “$14,000,000”.

(m) Schuylkill River Valley national heritage area.—Section 210(a) of the Schuylkill River Valley National Heritage Area Act (54 U.S.C. 320101 note; Public Law 106–278; 114 Stat. 824) is amended by striking “$10,000,000” and inserting “$12,000,000”.

(n) Blue ridge national heritage area.—Subsection (i)(1) of the Blue Ridge National Heritage Area Act of 2003 (54 U.S.C. 320101 note; Public Law 108–108; 117 Stat. 1280; 133 Stat. 778) is amended by striking “$14,000,000” and inserting “$16,000,000”.

(a) Erie canalway national heritage corridor commission.—Section 804(j) of the Erie Canalway National Heritage Corridor Act (54 U.S.C. 320101 note; Public Law 106–554; 114 Stat. 2763A–299; 123 Stat. 1294; 128 Stat. 3802) is amended by striking “2021” and inserting “2036”.

(b) Gullah/Geechee cultural heritage corridor commission.—Section 295D(d) of the Gullah/Geechee Cultural Heritage Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1833; 130 Stat. 962) is amended by striking “15 years after the date of enactment of this Act” and inserting “on September 30, 2036”.

Section 6001(c)(1) of the John D. Dingell, Jr. Conservation, Management, and Recreation Act (54 U.S.C. 320101 note; Public Law 116–9; 133 Stat. 772) is amended by striking “3” and inserting “5”.

(a) Silos & Smokestacks National Heritage Area.—

(1) REDESIGNATION.—The America’s Agricultural Heritage Partnership established by section 703(a) of division II of the Omnibus Parks and Public Lands Management Act of 1996 (Public Law 104–333; 110 Stat. 4266) shall be known and designated as the “Silos & Smokestacks National Heritage Area”.

(2) REFERENCES.—Any reference in a law, map, regulation, document, paper, or other record of the United States to the partnership referred to in subsection (a) shall be deemed to be a reference to the “Silos & Smokestacks National Heritage Area”.

(b) Great Basin National Heritage Area.—

(1) DESIGNATION OF THE GREAT BASIN NATIONAL HERITAGE AREA.—The Great Basin National Heritage Route Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1824) is amended—

(A) by striking “the Heritage Route” each place it appears and inserting “the Heritage Area”;

(B) by striking “along” each place it appears and inserting “in”;

(C) in the subtitle heading, by striking “Route” and inserting “Area”;

(D) in section 291, by striking “Route” and inserting “Area”;

(E) in section 291A(a)—

(i) in paragraphs (2) and (3), by striking “the Great Basin Heritage Route” each place it appears and inserting “the Great Basin National Heritage Area”; and

(ii) in paragraph (13), by striking “a Heritage Route” and inserting “a Heritage Area”;

(F) in section 291B, by striking paragraph (2) and inserting the following:

“(2) HERITAGE AREA.—The term ‘Heritage Area’ means the Great Basin National Heritage Area established by section 291C(a).”;

(G) in section 291C—

(i) in the section heading, by striking “Route” and inserting “Area”; and

(ii) in subsection (a), by striking “Heritage Route” and inserting “Heritage Area”; and

(H) in section 291L(d), in the subsection heading, by striking “in Heritage Route” and inserting “in Heritage Area”.

(2) DESIGNATION OF GREAT BASIN HERITAGE AREA PARTNERSHIP.—The Great Basin National Heritage Area Act (54 U.S.C. 320101 note; Public Law 109–338; 120 Stat. 1824) is amended by striking “Great Basin Heritage Route Partnership” each place it appears and inserting “Great Basin Heritage Area Partnership”.

This Act, including the amendments made by this Act, shall take effect 1 day after the date of enactment of this Act.