Name: US Antiquities Act Monument Actions (1906–2017)
License: https://creativecommons.org/licenses/by/4.0/

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Contains 344 records / 9 fields
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Data sourced from: https://github.com/fivethirtyeight/data

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Showing 344 of 344

Current Name	States	Original Name	Current Agency	Action	Date	Year	Pres Or Congress	Acres Affected
Devils Tower National Monument	Wyoming		NPS	Established	9/24/06	1906	T. Roosevelt	1,193.91
El Morro National Monument	New Mexico		NPS	Established	12/8/06	1906	T. Roosevelt	160
El Morro National Monument	New Mexico		NPS	Enlarged	6/18/17	1917	W. Wilson	240
Montezuma Castle National Monument	Arizona		NPS	Established	12/8/06	1906	T. Roosevelt	161.39
Montezuma Castle National Monument	Arizona		NPS	Enlarged	2/23/37	1937	F. D. Roosevelt	360
Montezuma Castle National Monument	Arizona		NPS	Enlarged	11/10/78	1978	95th Congress	13
Montezuma Castle National Monument	Arizona		NPS	Deleted	11/10/78	1978	95th Congress	5
Petrified Forest National Park	Arizona	Petrified Forest National Monument	NPS	Established	12/8/06	1906	T. Roosevelt	60,776.02
Petrified Forest National Park	Arizona	Petrified Forest National Monument	NPS	Diminished	7/31/11	1911	W. Taft	25,625.60
Petrified Forest National Park	Arizona	Petrified Forest National Monument	NPS	Enlarged	11/14/30	1930	H. Hoover	11,010
Petrified Forest National Park	Arizona	Petrified Forest National Monument	NPS	Redesignated NP	3/28/58	1958	85th Congress
Petrified Forest National Park	Arizona	Petrified Forest National Monument	NPS	Enlarged	11/30/31	1931	H. Hoover
Petrified Forest National Park	Arizona	Petrified Forest National Monument	NPS	Enlarged	9/23/32	1932	H. Hoover	53,300
Chaco Culture National Historical Park	New Mexico	Chaco Canyon National Monument	NPS	Established	3/11/07	1907	T. Roosevelt	10,643.13
Chaco Culture National Historical Park	New Mexico	Chaco Canyon National Monument	NPS	Enlarged	1/10/28	1928	C. Coolidge	21,509.40
Chaco Culture National Historical Park	New Mexico	Chaco Canyon National Monument	NPS	Redesignated Chaco Culture NHP	12/19/80	1980	96th Congress
Lassen Volcanic National Park	California	Cinder Cone National Monument	NPS	Established	5/6/07	1907	T. Roosevelt	5,120
Lassen Volcanic National Park	California	Cinder Cone National Monument	NPS	Incorporated into Lassen Volcanic NP	8/9/16	1916	64th Congress
Lassen Volcanic National Park	California	Lassen Volcanic National Monument	NPS	Established	5/6/07	1907	T. Roosevelt	1,280
Lassen Volcanic National Park	California	Lassen Volcanic National Monument	NPS	Redesignated Lassen Volcanic NP	8/9/16	1916	64th Congress
Gila Cliff Dwellings National Monument	New Mexico		NPS	Established	11/16/07	1907	T. Roosevelt	160
Gila Cliff Dwellings National Monument	New Mexico		NPS	Enlarged	4/17/62	1962	J. Kennedy	373.25
Tonto National Monument	Arizona		NPS	Established	12/19/07	1907	T. Roosevelt	640
Tonto National Monument	Arizona		NPS	Enlarged	4/1/37	1937	F. D. Roosevelt	480
Muir Woods National Monument	California		NPS	Established	1/9/08	1908	T. Roosevelt	295
Muir Woods National Monument	California		NPS	Enlarged	9/22/21	1921	W. Harding	128.14
Muir Woods National Monument	California		NPS	Enlarged	4/5/35	1935	F. D. Roosevelt	1.36
Muir Woods National Monument	California		NPS	Enlarged	6/26/51	1951	H. Truman	504.271
Muir Woods National Monument	California		NPS	Enlarged	9/8/59	1959	D. Eisenhower	6.16
Grand Canyon National Park	Arizona	Grand Canyon National Monument	NPS	Established	1/11/08	1908	T. Roosevelt	808,120
Grand Canyon National Park	Arizona	Grand Canyon National Monument	NPS	Redesignated Grand Canyon NP	2/26/19	1919	65th Congress
Pinnacles National Park	California	Pinnacles National Monument	NPS	Established	1/16/08	1908	T. Roosevelt	1,320
Pinnacles National Park	California	Pinnacles National Monument	NPS	Enlarged	5/7/23	1923	W. Harding	2,653.46
Pinnacles National Park	California	Pinnacles National Monument	NPS	Enlarged	7/2/24	1924	C. Coolidge	2,980.26
Pinnacles National Park	California	Pinnacles National Monument	NPS	Enlarged	4/13/31	1931	H. Hoover	1,926.35
Pinnacles National Park	California	Pinnacles National Monument	NPS	Enlarged	7/11/33	1933	F. D. Roosevelt	4805
Pinnacles National Park	California	Pinnacles National Monument	NPS	Enlarged	12/5/41	1941	F. D. Roosevelt	4,589.26
Pinnacles National Park	California	Pinnacles National Monument	NPS	Enlarged	1/11/00	2000	W. Clinton	7,900
Pinnacles National Park	California	Pinnacles National Monument	NPS	Redesignated NP	1/10/13	2013	112th Congress	440
Jewel Cave National Monument	South Dakota		NPS	Established	2/7/08	1908	T. Roosevelt	1,274.56
Natural Bridges National Monument	Utah		NPS	Established	4/16/08	1908	T. Roosevelt	120
Natural Bridges National Monument	Utah		NPS	Enlarged	9/25/09	1909	W. Taft	2,620
Natural Bridges National Monument	Utah		NPS	Boundaries Confirmed	2/11/16	1916	W. Wilson
Natural Bridges National Monument	Utah		NPS	Enlarged	8/14/62	1962	J. Kennedy	5,236
Natural Bridges National Monument	Utah		NPS	Diminished				320
Lewis and Clark Caverns State Park	Montana	Lewis and Clark Cavern National Monument	State of Montana	Established	5/11/08	1908	T. Roosevelt	160
Lewis and Clark Caverns State Park	Montana	Lewis and Clark Cavern National Monument	State of Montana	Boundaries Confirmed	5/16/11	1911	W. Taft	160
Lewis and Clark Caverns State Park	Montana	Lewis and Clark Cavern National Monument	State of Montana	Transferred to MT, now a state park	8/24/37	1937	75th Congress
Tumacacori National Historical Park	Arizona	Tumacacori National Monument	NPS	Established	9/15/08	1908	T. Roosevelt	10
Tumacacori National Historical Park	Arizona	Tumacacori National Monument	NPS	Enlarged	3/28/58	1958	D. Eisenhower	0.15
Tumacacori National Historical Park	Arizona	Tumacacori National Monument	NPS	Enlarged	11/10/78	1978	95th Congress	7
Tumacacori National Historical Park	Arizona	Tumacacori National Monument	NPS	Deleted	11/10/78	1978	95th Congress	0.011
Tumacacori National Historical Park	Arizona	Tumacacori National Monument	NPS	Redesignated NHP	8/6/90	1990	101st Congress
Part of Rio Grande National Forest	Colorado	Wheeler National Monument	BLM	Established	12/7/08	1908	T. Roosevelt	300
Part of Rio Grande National Forest	Colorado	Wheeler National Monument	BLM	Transferred to BLM, part of Rio Grande National Forest	8/3/50	1950	81st Congress
Olympic National Park	Washington	Mount Olympus	NPS	Established	3/2/09	1909	T. Roosevelt	639,200
Olympic National Park	Washington	Mount Olympus	NPS	Diminished	4/17/12	1912	W. Taft	160
Olympic National Park	Washington	Mount Olympus	NPS	Diminished	5/11/15	1915	W. Wilson	313,280
Olympic National Park	Washington	Mount Olympus	NPS	Diminished	1/7/29	1929	C. Coolidge	640
Olympic National Park	Washington	Mount Olympus	NPS	Redesignated NP	6/29/38	1938	75th Congress
Navajo National Monument	Arizona		NPS	Established	3/20/09	1909	W. Taft	360
Navajo National Monument	Arizona		NPS	Diminished	3/14/12	1912	W. Taft	320
Oregon Caves National Monument and Preserve	Oregon	Oregon Caves National Monument	NPS	Established	7/12/09	1909	W. Taft	465.8
Oregon Caves National Monument and Preserve	Oregon	Oregon Caves National Monument	NPS	Enlarged	11/10/78	1978	95th Congress	8
Oregon Caves National Monument and Preserve	Oregon	Oregon Caves National Monument	NPS	Redesignated NMP	12/19/14	2014	113th Congress
Zion National Park	Utah	Mukuntu-Weap/Zion National Monument	NPS	Established	7/31/09	1909	W. Taft	16,000
Zion National Park	Utah	Mukuntu-Weap/Zion National Monument	NPS	Enlarged & Renamed	3/18/18	1918	W. Wilson	76,800
Zion National Park	Utah	Mukuntu-Weap/Zion National Monument	NPS	Redesignated NP	11/19/19	1919	66th Congress
Spirit Mountain Cave	Wyoming	Shoshone Cavern	BLM	Established	9/21/09	1909	W. Taft	210
Spirit Mountain Cave	Wyoming	Shoshone Cavern	BLM	Transferred to WY	5/17/54	1954	83d Congress
Salinas Pueblo Missions National Monument	New Mexico	Gran Quivira	NPS	Established	11/1/09	1909	W. Taft	160
Salinas Pueblo Missions National Monument	New Mexico	Gran Quivira	NPS	Enlarged	11/25/19	1919	W. Wilson	240
Salinas Pueblo Missions National Monument	New Mexico	Gran Quivira	NPS	Abolished, funds available to Salinas NM	12/19/80	1980	96th Congress
Salinas Pueblo Missions National Monument	New Mexico	Gran Quivira	NPS	Redesignated Salinas Pueblo Missions NM	10/28/88	1988
Sitka National Historical Park	Alaska	Sitka National Monument	NPS	Established	3/23/10	1910	W. Taft	57
Sitka National Historical Park	Alaska	Sitka National Monument	NPS	Resurveyed & Enlarged	2/25/52	1952	H. Truman	54.334
Sitka National Historical Park	Alaska	Sitka National Monument	NPS	Redesignated NHP	10/18/72	1972	92d Congress
Sitka National Historical Park	Alaska	Sitka National Monument	NPS	Deleted	7/30/83	1983	96th Congress
Rainbow Bridge National Monument	Utah		NPS	Established	5/30/10	1910	W. Taft	160
Big Hole National Battlefield	Montana	Big Hole Battlefield National Monument	NPS	Established	6/23/10	1910	W. Taft	5
Big Hole National Battlefield	Montana	Big Hole Battlefield National Monument	NPS	Enlarged	6/29/39	1939	F. D. Roosevelt	195
Big Hole National Battlefield	Montana	Big Hole Battlefield National Monument	NPS	Redesignated NB	5/17/63	1963	88th Congress
Colorado National Monument	Colorado		NPS	Established	5/24/11	1911	W. Taft	13,883.06
Colorado National Monument	Colorado		NPS	Enlarged	3/3/33	1933	H. Hoover
Colorado National Monument	Colorado		NPS	Diminished	8/7/59	1959	D. Eisenhower	211
Colorado National Monument	Colorado		NPS	Enlarged				120
Devils Postpile National Monument	California		NPS	Established	7/6/11	1911	W. Taft	798.46
Cabrillo National Monument	California		NPS	Established	10/14/13	1913	W. Wilson	0.5
Cabrillo National Monument	California		NPS	Enlarged	2/2/59	1959	D. Eisenhower	80
Cabrillo National Monument	California		NPS	Enlarged	9/28/74	1974	G. Ford	56.6
Papago Park	Arizona	Papago Saguaro National Monument	State of Arizona	Established	1/31/14	1914	W. Wilson	2,050.43
Papago Park	Arizona	Papago Saguaro National Monument	State of Arizona	Transferred to AZ, now Papago Park	4/7/30	1930	71st Congress
Dinosaur National Monument	Utah, Colorado		NPS	Established	10/4/15	1915	W. Wilson	80
Dinosaur National Monument	Utah, Colorado		NPS	Enlarged	7/14/38	1938	F. D. Roosevelt	203,885
Walnut Canyon National Monument	Arizona		NPS	Established	11/30/15	1915	W. Wilson	960
Walnut Canyon National Monument	Arizona		NPS	Enlarged	9/24/38	1938	F. D. Roosevelt	913.6
Bandelier National Monument	New Mexico		NPS	Established	2/11/16	1916	W. Wilson	23,352
Bandelier National Monument	New Mexico		NPS	Enlarged	2/15/32	1932	H. Hoover
Bandelier National Monument	New Mexico		NPS	Enlarged	1/9/61	1961	D. Eisenhower	3,600
Bandelier National Monument	New Mexico		NPS	Enlarged	5/27/63	1963	J. Kennedy	2,882
Bandelier National Monument	New Mexico		NPS	Diminished				3,925
Acadia National Park	Maine	Sieur de Monts National Monument	NPS	Established	7/8/16	1916	W. Wilson	5,000
Acadia National Park	Maine	Sieur de Monts National Monument	NPS	Redesignated Lafayette NP	2/26/19	1919	65th Congress
Acadia National Park	Maine	Sieur de Monts National Monument	NPS	Redesignated Acadia NP	1930
Capulin Volcano National Monument	New Mexico	Capulin Mountain	NPS	Established	8/9/16	1916	W. Wilson	640.42
Capulin Volcano National Monument	New Mexico	Capulin Mountain	NPS	Redesignated Capulin Volcano NM	3/3/33	1933	H. Hoover
Part of Tongass National Forest	Alaska	Old Kasaan	USFS	Established	10/25/16	1916	W. Wilson	43
Part of Tongass National Forest	Alaska	Old Kasaan	USFS	Transferred to Forest Service	7/26/55	1955	84th Congress
Crow Flies High Overlook	North Dakota	Verendrye National Monument	State of North Dakota	Established	6/29/17	1917	W. Wilson	253.04
Crow Flies High Overlook	North Dakota	Verendrye National Monument	State of North Dakota	Transferred to ND	7/30/56	1956	84th Congress
Casa Grande Ruins National Monument	Arizona		NPS	Established	8/3/18	1918	W. Wilson	480
Katmai National Park and Preserve	Alaska	Katmai National Monument	NPS	Established	9/24/18	1918	W. Wilson	1,088,000
Katmai National Park and Preserve	Alaska	Katmai National Monument	NPS	Enlarged	4/24/31	1931	H. Hoover
Katmai National Park and Preserve	Alaska	Katmai National Monument	NPS	Restrictions Modified.	6/15/36	1936	F. D. Roosevelt
Katmai National Park and Preserve	Alaska	Katmai National Monument	NPS	Enlarged	8/4/42	1942	F. D. Roosevelt
Katmai National Park and Preserve	Alaska	Katmai National Monument	NPS	Enlarged	1/20/69	1969	L. Johnson	94,547
Katmai National Park and Preserve	Alaska	Katmai National Monument	NPS	Enlarged	12/1/78	1978	J. Carter	1,370,000
Katmai National Park and Preserve	Alaska	Katmai National Monument	NPS	Redesignated NP&P	12/2/80	1980	96th Congress
Scotts Bluff National Monument	Nebraska		NPS	Established	12/12/19	1919	W. Wilson	2,053.83
Scotts Bluff National Monument	Nebraska		NPS	Enlarged	6/1/32	1932	H. Hoover
Scotts Bluff National Monument	Nebraska		NPS	Enlarged	3/29/40	1940	F. D. Roosevelt	53.34
Yucca House National Monument	Colorado		NPS	Established	12/19/19	1919	W. Wilson	9.6
Great Basin National Park	Nevada	Lehman Caves National Moument	NPS	Established	1/24/22	1922	W. Harding	593.03
Great Basin National Park	Nevada	Lehman Caves National Moument	NPS	Incorporated into Great Basin NP	10/27/86	1986	99th Congress
Timpanogos Cave National Monument	Utah		NPS	Established	10/14/22	1922	W. Harding	250
Timpanogos Cave National Monument	Utah		NPS	Boundaries Confirmed	3/27/62	1962	J. Kennedy
Fossil Cycad National Monument	South Dakota		BLM	Established	10/21/22	1922	W. Harding	320
Fossil Cycad National Monument	South Dakota		BLM	Transferred to BLM	8/1/56	1956	84th Congress
Aztec Ruin National Monument	New Mexico		NPS	Established	1/24/23	1923	W. Harding	4.6
Aztec Ruin National Monument	New Mexico		NPS	Enlarged	7/2/28	1928	C. Coolidge	12.6
Aztec Ruin National Monument	New Mexico		NPS	Enlarged	12/19/30	1930	H. Hoover	6.8788
Aztec Ruin National Monument	New Mexico		NPS	Enlarged	5/27/48	1948	H. Truman	1.255
Hovenweep National Monument	Utah, Colorado		NPS	Established	3/2/23	1923	W. Harding	285.8
Hovenweep National Monument	Utah, Colorado		NPS	Enlarged	4/26/51	1951	H. Truman	80
Hovenweep National Monument	Utah, Colorado		NPS	Enlarged	11/20/52	1952	H. Truman	81.02
Hovenweep National Monument	Utah, Colorado		NPS	Diminished	4/6/56	1956	D. Eisenhower	40
Hovenweep National Monument	Utah, Colorado		NPS	Enlarged, administered by Canyonlands NP				40
Hopewell Culture National Historical Park	Ohio	Mound City Group National Monument	NPS	Established	3/2/23	1923	W. Harding	57
Hopewell Culture National Historical Park	Ohio	Mound City Group National Monument	NPS	Redesignated Hopewell Culture NHP	5/27/92	1992	102d Congress
Pipe Spring National Monument	Arizona		NPS	Established	5/31/23	1923	W. Harding	40
Bryce Canyon National Park	Utah	Bryce Canyon National Monument	NPS	Established	6/8/23	1923	W. Harding	7,440
Bryce Canyon National Park	Utah	Bryce Canyon National Monument	NPS	Redesignated NP	6/7/24	1924	68th Congress
Carlsbad Caverns National Park	New Mexico	Carlsbad Cave National Monument	NPS	Established	10/25/23	1923	C. Coolidge	719.22
Carlsbad Caverns National Park	New Mexico	Carlsbad Cave National Monument	NPS	Redesignated NP	5/14/30	1930	71st Congress
Chiricahua National Monument	Arizona		NPS	Established	4/18/24	1924	C. Coolidge	3,655.12
Chiricahua National Monument	Arizona		NPS	Enlarged	6/10/38	1938	F. D. Roosevelt	6,407
Craters of the Moon National Monument	Idaho		NPS, BLM	Established	5/2/24	1924	C. Coolidge	22,651.80
Craters of the Moon National Monument	Idaho		NPS, BLM	Enlarged	7/23/28	1928	C. Coolidge	26,240
Craters of the Moon National Monument	Idaho		NPS, BLM	Enlarged	7/9/30	1930	H. Hoover
Craters of the Moon National Monument	Idaho		NPS, BLM	Diminished	7/18/41	1941	F. D. Roosevelt
Craters of the Moon National Monument	Idaho		NPS, BLM	Enlarged	11/19/62	1962	J. Kennedy	5360
Craters of the Moon National Monument	Idaho		NPS, BLM	Enlarged under BLM	11/9/00	2000	W. Clinton	661,287
Statue of Liberty National Monument	New York	Fort Wood	NPS	Established	10/15/24	1924	C. Coolidge	2.5
Statue of Liberty National Monument	New York	Fort Wood	NPS	Enlarged	9/7/37	1937	F. D. Roosevelt	7.88
Statue of Liberty National Monument	New York	Fort Wood	NPS	Enlarged, redesignated Statue of Liberty NM	5/11/65	1965	L. Johnson	48
Castle Pinckney	South Carolina		State of South Carolina	Established	10/15/24	1924	C. Coolidge	3.5
Castle Pinckney	South Carolina		State of South Carolina	Transferred to SC	3/29/56	1956	84th Congress
Fort Pulaski National Monument	Georgia		NPS	Established	10/15/24	1924	C. Coolidge	20
Fort Pulaski National Monument	Georgia		NPS	Enlarged	8/14/58	1958	D. Eisenhower	2.5
Castillo de San Marcos National Monument	Florida	Fort Marion	NPS	Established	10/15/24	1924	C. Coolidge	18.51
Castillo de San Marcos National Monument	Florida	Fort Marion	NPS	Redesignated Castillo San Marcos NM	6/5/42	1942	57th Congress
Fort Matanzas National Monument	Florida		NPS	Established	10/15/24	1924	C. Coolidge	1
Fort Matanzas National Monument	Florida		NPS	Enlarged	1/9/35	1935	F. D. Roosevelt	88
Fort Matanzas National Monument	Florida		NPS	Enlarged	3/24/48	1948	H. Truman	209.42
Wupatki National Monument	Arizona		NPS	Established	12/9/24	1924	C. Coolidge	2,234.10
Wupatki National Monument	Arizona		NPS	Enlarged	7/9/37	1937	F. D. Roosevelt	33,631.20
Wupatki National Monument	Arizona		NPS	Diminished	1/22/41	1941	F. D. Roosevelt	52.27
Natchez Trace National Scenic Trail	Tennessee	Meriwether Lewis National Monument	NPS	Established	2/6/25	1925	C. Coolidge	50
Natchez Trace National Scenic Trail	Tennessee	Meriwether Lewis National Monument	NPS	Enlarged	12/6/27	1927	C. Coolidge	100
Natchez Trace National Scenic Trail	Tennessee	Meriwether Lewis National Monument	NPS	Included in the Natchez Trace Parkway, now Natchez Trace National Scenic Trail	8/10/61	1961
Glacier Bay National Park and Preserve	Alaska	Glacier Bay National Monument	NPS	Established	2/26/25	1925	C. Coolidge	1,379,315.58
Glacier Bay National Park and Preserve	Alaska	Glacier Bay National Monument	NPS	Enlarged	4/18/39	1939	F. D. Roosevelt	904,960
Glacier Bay National Park and Preserve	Alaska	Glacier Bay National Monument	NPS	Diminished	3/31/55	1955	D. Eisenhower	4,193 (water)
Glacier Bay National Park and Preserve	Alaska	Glacier Bay National Monument	NPS	Diminished				24,925
Glacier Bay National Park and Preserve	Alaska	Glacier Bay National Monument	NPS	Enlarged	12/1/78	1978	J. Carter	550,000
Glacier Bay National Park and Preserve	Alaska	Glacier Bay National Monument	NPS	Redesignated NP&P	12/2/80	1980	96th Congress
Part of Old Fort Niagara State Park	New York	Father Millet Cross	State of New York	Established	9/5/25	1925	C. Coolidge	0.0074
Part of Old Fort Niagara State Park	New York	Father Millet Cross	State of New York	Transferred to NY	9/7/49	1949	81st Congress
Part of Old Fort Niagara State Park	New York	Father Millet Cross	State of New York	Now part of Old Fort Niagara State Park
Lava Beds National Monument	California		NPS	Established	11/21/25	1925	C. Coolidge	45,589.92
Lava Beds National Monument	California		NPS	Enlarged	4/27/51	1951	H. Truman	211.13
Arches National Park	Utah	Arches National Monument	NPS	Established	4/12/29	1929	H. Hoover	4,520
Arches National Park	Utah	Arches National Monument	NPS	Enlarged	11/25/38	1938	F. D. Roosevelt	29,160
Arches National Park	Utah	Arches National Monument	NPS	Enlarged	7/22/60	1960	D. Eisenhower	480
Arches National Park	Utah	Arches National Monument	NPS	Diminished	7/22/60	1960	D. Eisenhower	720
Arches National Park	Utah	Arches National Monument	NPS	Enlarged	1/20/69	1969	L. Johnson	48,943
Arches National Park	Utah	Arches National Monument	NPS	Redesignated NP	11/12/71	1971	92d Congress
Part of White River National Forest	Colorado	Holy Cross National Monument	USFS	Established	5/11/29	1929	H. Hoover	1,392
Part of White River National Forest	Colorado	Holy Cross National Monument	USFS	Redesignated under Forest Service	8/3/50	1950	81st Congress
Sunset Crater Volcano National Monument	Arizona	Sunset Crater National Monument	NPS	Established	5/26/30	1930	H. Hoover	3,040
Sunset Crater Volcano National Monument	Arizona	Sunset Crater National Monument	NPS	Redesignated Sunset Crater Volcano NM	11/16/90	1990	101st Congress
Great Sand Dunes National Park and Preserve	Colorado	Great Sand Dunes National Monument	NPS	Established	3/17/32	1932	H. Hoover	35,528.36
Great Sand Dunes National Park and Preserve	Colorado	Great Sand Dunes National Monument	NPS	Resurveyed & Modified	3/12/46	1946	H. Truman
Great Sand Dunes National Park and Preserve	Colorado	Great Sand Dunes National Monument	NPS	Enlarged	6/7/56	1956	D. Eisenhower	960
Great Sand Dunes National Park and Preserve	Colorado	Great Sand Dunes National Monument	NPS	Diminished				9880
Great Sand Dunes National Park and Preserve	Colorado	Great Sand Dunes National Monument	NPS	Renamed National Park & Preserve	11/22/00	2000	106th Congress
Grand Canyon National Park	Arizona	Grand Canyon "II"	NPS	Established	12/22/32	1932	H. Hoover	273,145
Grand Canyon National Park	Arizona	Grand Canyon "II"	NPS	Diminished	4/4/40	1940	F. D. Roosevelt	71,854
Grand Canyon National Park	Arizona	Grand Canyon "II"	NPS	Redesignated Grand Canyon NP	1/3/75	1975	93d Congress
White Sands National Monument	New Mexico		NPS	Established	1/18/33	1933	H. Hoover	131,486.84
White Sands National Monument	New Mexico		NPS	Enlarged	11/28/34	1934	F. D. Roosevelt	158.91
White Sands National Monument	New Mexico		NPS	Diminished	8/29/38	1938	F. D. Roosevelt
White Sands National Monument	New Mexico		NPS	Enlarged	6/24/53	1953	D. Eisenhower	478.53
White Sands National Monument	New Mexico		NPS	Enlarged	11/10/78	1978	95th Congress	760
Death Valley National Park	California, Nevada	Death Valley National Monument	NPS	Established	2/11/33	1933	H. Hoover	848,581.36
Death Valley National Park	California, Nevada	Death Valley National Monument	NPS	Enlarged	3/26/37	1937	F. D. Roosevelt	305,920
Death Valley National Park	California, Nevada	Death Valley National Monument	NPS	Enlarged	1/17/52	1952	H. Truman	40
Death Valley National Park	California, Nevada	Death Valley National Monument	NPS	Redesignated NP	10/31/94	1994	103d Congress
Saguaro National Park	Arizona	Saguaro National Monument	NPS	Established	3/1/33	1933	H. Hoover	53,510.08
Saguaro National Park	Arizona	Saguaro National Monument	NPS	Enlarged	11/15/61	1961	J. Kennedy	15,360
Saguaro National Park	Arizona	Saguaro National Monument	NPS	Redesignated NP	10/14/94	1994	103d Congress
Black Canyon of the Gunnison National Park	Colorado	Black Canyon of the Gunnison National Monument	NPS	Established	3/2/33	1933	H. Hoover	10,287.95
Black Canyon of the Gunnison National Park	Colorado	Black Canyon of the Gunnison National Monument	NPS	Enlarged	5/16/38	1938	F. D. Roosevelt	100
Black Canyon of the Gunnison National Park	Colorado	Black Canyon of the Gunnison National Monument	NPS	Enlarged	10/28/39	1939	F. D. Roosevelt	2,760
Black Canyon of the Gunnison National Park	Colorado	Black Canyon of the Gunnison National Monument	NPS	Diminished	4/8/60	1960	D. Eisenhower	470
Black Canyon of the Gunnison National Park	Colorado	Black Canyon of the Gunnison National Monument	NPS	Redesignated NP	1/6/99	1999	103d Congress
Cedar Breaks National Monument	Utah		NPS	Established	8/22/33	1933	F. D. Roosevelt	5,701.39
Dry Tortugas National Park	Florida	Fort Jefferson National Monument	NPS	Established	1/4/35	1935	F. D. Roosevelt	47,125
Dry Tortugas National Park	Florida	Fort Jefferson National Monument	NPS	Redesignated Dry Tortugas NP	10/26/92	1992	102d Congress
Joshua Tree National Park	California	Joshua Tree National Monument	NPS	Established	8/10/36	1936	F. D. Roosevelt	825,340
Joshua Tree National Park	California	Joshua Tree National Monument	NPS	Redesignated NP	10/31/94	1994	103d Congress
Zion National Park	Utah	Zion "II"	NPS	Established	1/22/37	1937	F. D. Roosevelt	49,150
Zion National Park	Utah	Zion "II"	NPS	Redesignated NP	7/11/56	1956	84th Congress
Organ Pipe Cactus National Monument	Arizona		NPS	Established	4/13/37	1937	F. D. Roosevelt	330,690
Capitol Reef National Park	Utah	Capitol Reef National Monument	NPS	Established	8/2/37	1937	F. D. Roosevelt	37,060
Capitol Reef National Park	Utah	Capitol Reef National Monument	NPS	Enlarged	7/2/58	1958	D. Eisenhower	3,040
Capitol Reef National Park	Utah	Capitol Reef National Monument	NPS	Enlarged	1/20/69	1969	L. Johnson	215,056
Capitol Reef National Park	Utah	Capitol Reef National Monument	NPS	Redesignated NP	12/18/71	1971	92d Congress
Channel Islands National Park	California	Channel Islands National Monument	NPS	Established	4/26/38	1938	F. D. Roosevelt	1,119.98
Channel Islands National Park	California	Channel Islands National Monument	NPS	Enlarged	2/9/49	1949	H. Truman	25,918.02
Channel Islands National Park	California	Channel Islands National Monument	NPS	Redesignated NP	5/31/80	1980	96th Congress
Fort Laramie National Historic Site	Wyoming	Fort Laramie National Monument	NPS	Established	7/16/38	1938	F. D. Roosevelt	214.41
Fort Laramie National Historic Site	Wyoming	Fort Laramie National Monument	NPS	Redesignated NHS	4/29/60	1960	86th Congress
Gulf Islands National Seashore	Florida	Santa Rosa Island	NPS	Established	5/17/39	1939	F. D. Roosevelt	9,500
Gulf Islands National Seashore	Florida	Santa Rosa Island	NPS	Diminished	8/13/45	1945	H. Truman	4,700
Gulf Islands National Seashore	Florida	Santa Rosa Island	NPS	Incorporated into Gulf Islands NS	7/30/46	1946	79th Congress
Tuzigoot National Monument	Arizona		NPS	Established	7/25/39	1939	F. D. Roosevelt	42.67
Tuzigoot National Monument	Arizona		NPS	Enlarged	11/10/78	1978	95th Congress	791
Grand Teton National Park	Wyoming	Jackson Hole National Monument	NPS	Established	3/15/43	1943	F. D. Roosevelt	210,950
Grand Teton National Park	Wyoming	Jackson Hole National Monument	NPS	Redesignated Grand Teton NP	9/14/50	1950	81st Congress
Effigy Mounds National Monument	Iowa		NPS	Established	10/25/49	1949	H. Truman	1,000
Thomas Edison National Historical Park	New Jersey	Edison Laboratory	NPS	Established	7/14/56	1956	D. Eisenhower	1.51
Thomas Edison National Historical Park	New Jersey	Edison Laboratory	NPS	Redesignated NHS	9/5/62	1962	87th Congress
Thomas Edison National Historical Park	New Jersey	Edison Laboratory	NPS	Redesignated Thomas Edison NHP	3/30/09	2009	111th Congress
Chesapeake and Ohio Canal National Historical Park	Maryland	Chesapeake and Ohio Canal National Monument	NPS	Established	1/18/61	1961	D. Eisenhower	5,263.94
Chesapeake and Ohio Canal National Historical Park	Maryland	Chesapeake and Ohio Canal National Monument	NPS	Redesignated NHP	1/8/71	1971	91st Congress
Russell Cave National Monument	Alabama		NPS	Established	5/11/61	1961	J. Kennedy	310.45
Buck Island Reef National Monument	Virgin Islands		NPS	Established	12/28/61	1961	J. Kennedy	850
Buck Island Reef National Monument	Virgin Islands		NPS	Enlarged	2/1/75	1975	G. Ford	30
Buck Island Reef National Monument	Virgin Islands		NPS	Amending Description	3/28/75	1975	G. Ford
Buck Island Reef National Monument	Virgin Islands		NPS	Enlarged	1/17/01	2001	W. Clinton	17,255
Grand Canyon National Park	Arizona	Marble Canyon National Monument	NPS	Established	1/20/69	1969	L. Johnson	32,546.69
Grand Canyon National Park	Arizona	Marble Canyon National Monument	NPS	Incorporated into Grand Canyon NP	1/3/75	1975	93d Congress
Part of Tongass National Forest	Alaska	Admiralty Island National Monument	USFS	Established	12/1/78	1978	J. Carter	1,100,000
Aniakchak National Monument & Preserve	Alaska	Aniakchak National Monument	NPS	Established	12/1/78	1978	J. Carter	350,000
Aniakchak National Monument & Preserve	Alaska	Aniakchak National Monument	NPS	Partially Redesignated Preserve	12/2/80	1980	96th Congress
Becharof National Wildlife Refuge	Alaska		FWS	Established	12/1/78	1978	J. Carter	1,200,000
Bering Land Bridge National Preserve	Alaska	Bering Land Bridge National Monument	NPS	Established	12/1/78	1978	J. Carter	2,590,000
Bering Land Bridge National Preserve	Alaska	Bering Land Bridge National Monument	NPS	Redesignated National Preserve	12/2/80	1980	96th Congress
Cape Krusenstern National Monument	Alaska		NPS	Established	12/1/78	1978	J. Carter	560,000
Denali National Park	Alaska	Denali National Park and Preserve	NPS	Established	12/1/78	1978	J. Carter	3,890,000
Denali National Park	Alaska	Denali National Park and Preserve	NPS	Redesignated NP	12/2/80	1980	96th Congress
Gates of the Arctic National Park and Preserve	Alaska	Gates of the Arctic National Monument	NPS	Established	12/1/78	1978	J. Carter	8,220,000
Gates of the Arctic National Park and Preserve	Alaska	Gates of the Arctic National Monument	NPS	Redesignated NP&P	12/2/80	1980	96th Congress
Kenai Fjords National Park	Alaska	Kenai Fjords National Monument	NPS	Established	12/1/78	1978	J. Carter	570,000
Kenai Fjords National Park	Alaska	Kenai Fjords National Monument	NPS	Redesignated NP	12/2/80	1980	96th Congress
Kobuk Valley National Park	Alaska	Kobuk Valley National Monument	NPS	Established	12/1/78	1978	J. Carter	1,710,000
Kobuk Valley National Park	Alaska	Kobuk Valley National Monument	NPS	Redesignated NP	12/2/80	1980	96th Congress
Lake Clark National Park and Preserve	Alaska	Lake Clark National Monument	NPS	Established	12/1/78	1978	J. Carter	2,500,000
Lake Clark National Park and Preserve	Alaska	Lake Clark National Monument	NPS	Redesignated National Park & Preserve	12/2/80	1980	96th Congress
Part of Tongass National Forest	Alaska	Misty Fjords National Monument	USFS	Established	12/1/78	1978	J. Carter	2,285,000
Part of Tongass National Forest	Alaska	Misty Fjords National Monument	USFS	Redesignated within Tongass National Forest	12/2/80	1980
Noatak National Preserve	Alaska	Noatak National Monument	NPS	Established	12/1/78	1978	J. Carter	5,880,000
Noatak National Preserve	Alaska	Noatak National Monument	NPS	Redesignated Preserve	12/2/80	1980	96th Congress
Wrangall-St. Elias National Park and Preserve	Alaska	Wrangall-St. Elias National Monument	NPS	Established	12/1/78	1978	J. Carter	10,950,000
Wrangall-St. Elias National Park and Preserve	Alaska	Wrangall-St. Elias National Monument	NPS	Redesignated NP&P	12/2/80	1980	96th Congress
Yukon-Charley Rivers National Preserve	Alaska	Yukon-Charley Rivers National Monument	NPS	Established	12/1/78	1978	J. Carter	1,720,000
Yukon-Charley Rivers National Preserve	Alaska	Yukon-Charley Rivers National Monument	NPS	Redesignated Preserve	12/2/80	1980	96th Congress
Yukon Flats National Wildlife Refuge	Alaska	Yukon Flats National Monument	FWS	Established	12/1/78	1978	J. Carter	10,600,000
Yukon Flats National Wildlife Refuge	Alaska	Yukon Flats National Monument	FWS	Redesignated National Wildlife Refuge	12/2/80	1980	96th Congress
Grand Staircase-Escalante National Monument	Utah		BLM	Established	9/18/96	1996	W. Clinton	1,700,000
Agua Fria National Monument	Arizona		BLM	Established	1/11/00	2000	W. Clinton	71,100
California Coastal National Monument	California		BLM	Established (BLM)	1/11/00	2000	W. Clinton	883
California Coastal National Monument	California		BLM	Enlarged	3/11/14	2014	B. H. Obama	1,665
California Coastal National Monument	California		BLM	Enlarged	1/12/17	2017	B. H. Obama	6,230
Grand Canyon-Parashant National Monument	Arizona		BLM	Established	1/11/00	2000	W. Clinton	1,014,000
Part of Sequoia National Forest	California	Giant Sequoia National Monument	USFS	Established	4/15/00	2000	W. Clinton	327,769
Canyon of the Ancients National Monument	Colorado		BLM	Established	6/9/00	2000	W. Clinton	164,000
Cascade-Siskiyou National Monument	Oregon		BLM	Established (BLM)	6/9/00	2000	W. Clinton	52,000
Cascade-Siskiyou National Monument	Oregon		BLM	Enlarged	1/12/17	2017	B. H. Obama	48,000
Hanford Reach National Monument	Washington		FWS	Established	6/9/00	2000	W. Clinton	195,000
Ironwood Forest National Monument	Arizona		BLM	Established	6/9/00	2000	W. Clinton	128,917
President Lincoln and Soldier's Home National Monument	Washington, DC		NPS	Established	7/7/00	2000	W. Clinton	2.3
Vermillion Cliffs National Monument	Arizona		BLM	Established	11/9/00	2000	W. Clinton	293,000
Carrizo Plain National Monument	California		BLM	Established	1/17/01	2001	W. Clinton	204,107
Kasha-Katuwe Tent Rocks National Monument	New Mexico		BLM	Established	1/17/01	2001	W. Clinton	4,148
Minidoka National Historic Site	Idaho	Minidoka Internment National Monument	NPS	Established	1/17/01	2001	W. Clinton	72.75
Minidoka National Historic Site	Idaho	Minidoka Internment National Monument	NPS	Redesignated NHS	5/8/08	2008	G.W. Bush
Pompeys Pillar National Monument	Montana		BLM	Established	1/17/01	2001	W. Clinton	51
Sonoran Desert National Monument	Arizona		BLM	Established	1/17/01	2001	W. Clinton	486,149
Upper Missouri River Breaks National Monument	Montana		BLM	Established	1/17/01	2001	W. Clinton	377,346
Virgin Islands Coral Reef National Monument	Virgin Islands		NPS	Established	1/17/01	2001	W. Clinton	12,708
Governors Island National Monument	New York		NPS	Established	1/19/01	2001	W. Clinton	20
Governors Island National Monument	New York		NPS	Reaffirmed	1/31/03	2003	G. W. Bush	22
African Burial Ground National Monument	New York		NPS	Established	2/27/06	2006	G. W. Bush	0.345
Papahānaumokuākea Marine National Monument	Hawaii	Northwestern Hawaiian Islands National Monument	FWS, NOAA	Established (FWS and NOAA)	6/15/06	2006	G. W. Bush	140,000 sq. miles
Papahānaumokuākea Marine National Monument	Hawaii	Northwestern Hawaiian Islands National Monument	FWS, NOAA	Redesignated Papahānaumokuākea MNM	2/28/07	2007	G.W. Bush
Papahānaumokuākea Marine National Monument	Hawaii	Northwestern Hawaiian Islands National Monument	FWS, NOAA	Enlarged	8/26/16	2016	B.H. Obama	442,781 sq. miles
World War II Valor in the Pacific National Monument	Hawaii		NPS, FWS	Established	12/5/08	2008	G. W. Bush	6,310 sq. miles
Rose Atoll National Monument	American Samoa		NOAA	Established	1/6/09	2009	G. W. Bush	13,451 sq. miles
Pacific Remote Islands National Monument	Hawaii		FWS, NOAA	Established	1/6/09	2009	G. W. Bush	86,888 sq. miles
Pacific Remote Islands National Monument	Hawaii		FWS, NOAA	Enlarged	9/25/14	2014	B. H. Obama	408,301 sq. miles
Mariana's Trench National Monument	Northern Mariana Islands, Guam		NOAA	Established	1/6/09	2009	G. W. Bush	95,216 sq. miles
Fort Monroe National Monument	Virginia		NPS	Established	11/1/11	2011	B. H. Obama	325.21
Fort Ord National Monument	California		BLM	Established	4/20/12	2012	B. H. Obama	14,651
Chimney Rock National Monument	Colorado		USFS	Established	9/21/12	2012	B. H. Obama	4,726
Cesar E. Chavez National Monument	California		NPS	Established	10/8/12	2012	B. H. Obama	10.5
San Juan Islands National Monument	Washington		BLM	Established	3/25/13	2013	B. H. Obama	970
Rio Grande del Norte National Monument	New Mexico		BLM	Established	3/25/13	2013	B. H. Obama	242,555
Harriet Tubman Underground Railroad National Historical Park	Maryland		NPS, FWS	Established (NPS and FWS)	3/25/13	2013	B. H. Obama	11,750
Harriet Tubman Underground Railroad National Historical Park	Maryland		NPS, FWS	Partially redesignated NHP (NPS)	12/19/14	2014	113th Congress	480
First State National Historical Park	Delaware		NPS	Established	3/25/13	2013	B. H. Obama	1,108
First State National Historical Park	Delaware		NPS	Redesignated NHP	12/19/14	2014	113th Congress
Charles Young Buffalo Soldiers Monument	Ohio		NPS	Established	3/25/13	2013	B. H. Obama	59.65
Organ Mountains-Desert Peaks National Monument	New Mexico		BLM	Established	5/21/14	2014	B. H. Obama	496,330
San Gabriel Mountains National Monument	California		USFS	Established	10/10/14	2014	B. H. Obama	346,177
Honouliuli National Monument	Hawaii		NPS	Established	2/14/15	2015	B. H. Obama	123
Pullman National Monument	Illinois		NPS	Established	2/19/15	2015	B. H. Obama	0.2397
Browns Canyon National Monument	New Mexico		BLM, USFS	Established	2/19/15	2015	B. H. Obama	21,586
Berryessa Snow Mountain National Monument	California		USFS	Established	7/10/15	2015	B. H. Obama	330,780
Waco Mammoth National Monument	Texas		NPS	Established	7/10/15	2015	B. H. Obama	7.11
Basin and Range National Monument	Nevada		BLM	Established	7/10/15	2015	B. H. Obama	704,000
Mojave Trails National Monument	California		BLM	Established	2/12/16	2016	B. H. Obama	1,600,000
Sand to Snow National Monument	California		USFS	Established	2/12/16	2016	B. H. Obama	154,000
Castle Mountains National Monument	California		NPS	Established	2/12/16	2016	B. H. Obama	20,920
Belmont-Paul Women's Equality National Monument	Washington, DC		NPS	Established	4/12/16	2016	B. H. Obama	0.34
Stonewall National Monument	New York		NPS	Established	6/24/16	2016	B. H. Obama	0.12
Katahdin Woods and Waters National Monument	Maine		NPS	Established	8/24/16	2016	B. H. Obama	87,563
Northeast Canyons and Seamounts Marine National Monument	Massachusetts		NOAA, FWS	Established	9/15/16	2016	B.H. Obama	4,913 square miles
Bears Ears National Monument	Utah		BLM, USFS	Established	12/28/16	2016	B. H. Obama	1,350,000
Gold Butte National Monument	Nevada		BLM	Established	12/28/16	2016	B. H. Obama	300,000
Birmingham Civil Rights National Monument	Alabama		NPS	Established	1/12/17	2017	B. H. Obama	0.88
Freedom Riders National Monument	Alabama		NPS	Established	1/12/17	2017	B. H. Obama	5.96
Reconstruction Era National Monument	South Carolina		NPS	Established	1/12/17	2017	B. H. Obama	15.56