diff --git a/antiquities-act/README.md b/antiquities-act/README.md
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+### Actions under the Antiquities Act 
+
+Data behind the story [TKTK](http://fivethirtyeight.com/features/tktk/). This data was compiled by the National Parks Conservation Association and includes national monuments that were created by presidents by under the Antiquities Act. It does not include national monuments created by Congress. 
+
+Header | Definition
+---|---------
+`current_name` | Current name of piece of land designated under the Antiquities Act
+`states` | State(s) or territory where land is located
+`original_name` | If included, original name of piece of land designated under the Antiquities Act
+`current_agency` | Current land management agency. NPS = National Parks Service, BLM = Bureau of Land Management, USFS = US Forest Service, FWS = US Fish and Wildlife Service, NOAA = National Oceanic and National Oceanic and Atmospheric Administration 
+`action` | Type of action taken on land 
+`date` | Date of action
+`year` | Year of action
+`pres_or_congress` | President or congress that issued action
+`acres_affected` | Acres affected by action. Note that total current acreage is not included. National monuments that cover ocean are listed in square miles.
+
+Sources: [National Parks Conservation Association](https://www.npca.org/) and [National Parks Service Archeology Progam](https://www.nps.gov/history/archeology/sites/antiquities/MonumentsList.htm)
diff --git a/antiquities-act/actions_under_antiquities_act.csv b/antiquities-act/actions_under_antiquities_act.csv
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+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
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