rowid,current_name,states,original_name,current_agency,action,date,year,pres_or_congress,acres_affected
1,Devils Tower National Monument,Wyoming,,NPS,Established,9/24/06,1906,T. Roosevelt,"1,193.91"
2,El Morro National Monument,New Mexico,,NPS,Established,12/8/06,1906,T. Roosevelt,160
3,El Morro National Monument,New Mexico,,NPS,Enlarged,6/18/17,1917,W. Wilson,240
4,Montezuma Castle National Monument,Arizona,,NPS,Established,12/8/06,1906,T. Roosevelt,161.39
5,Montezuma Castle National Monument,Arizona,,NPS,Enlarged,2/23/37,1937,F. D. Roosevelt,360
6,Montezuma Castle National Monument,Arizona,,NPS,Enlarged,11/10/78,1978,95th Congress,13
7,Montezuma Castle National Monument,Arizona,,NPS,Deleted,11/10/78,1978,95th Congress,5
8,Petrified Forest National Park,Arizona,Petrified Forest National Monument,NPS,Established,12/8/06,1906,T. Roosevelt,"60,776.02"
9,Petrified Forest National Park,Arizona,Petrified Forest National Monument,NPS,Diminished,7/31/11,1911,W. Taft,"25,625.60"
10,Petrified Forest National Park,Arizona,Petrified Forest National Monument,NPS,Enlarged,11/14/30,1930,H. Hoover,"11,010"
11,Petrified Forest National Park,Arizona,Petrified Forest National Monument,NPS,Redesignated NP,3/28/58,1958,85th Congress,
12,Petrified Forest National Park,Arizona,Petrified Forest National Monument,NPS,Enlarged,11/30/31,1931,H. Hoover,
13,Petrified Forest National Park,Arizona,Petrified Forest National Monument,NPS,Enlarged,9/23/32,1932,H. Hoover,"53,300"
14,Chaco Culture National Historical Park,New Mexico,Chaco Canyon National Monument,NPS,Established,3/11/07,1907,T. Roosevelt,"10,643.13"
15,Chaco Culture National Historical Park,New Mexico,Chaco Canyon National Monument,NPS,Enlarged,1/10/28,1928,C. Coolidge,"21,509.40"
16,Chaco Culture National Historical Park,New Mexico,Chaco Canyon National Monument,NPS,Redesignated Chaco Culture NHP,12/19/80,1980,96th Congress,
17,Lassen Volcanic National Park,California,Cinder Cone National Monument,NPS,Established,5/6/07,1907,T. Roosevelt,"5,120"
18,Lassen Volcanic National Park,California,Cinder Cone National Monument,NPS,Incorporated into Lassen Volcanic NP,8/9/16,1916,64th Congress,
19,Lassen Volcanic National Park,California,Lassen Volcanic National Monument,NPS,Established,5/6/07,1907,T. Roosevelt,"1,280"
20,Lassen Volcanic National Park,California,Lassen Volcanic National Monument,NPS,Redesignated Lassen Volcanic NP,8/9/16,1916,64th Congress,
21,Gila Cliff Dwellings National Monument,New Mexico,,NPS,Established,11/16/07,1907,T. Roosevelt,160
22,Gila Cliff Dwellings National Monument,New Mexico,,NPS,Enlarged,4/17/62,1962,J. Kennedy,373.25
23,Tonto National Monument,Arizona,,NPS,Established,12/19/07,1907,T. Roosevelt,640
24,Tonto National Monument,Arizona,,NPS,Enlarged,4/1/37,1937,F. D. Roosevelt,480
25,Muir Woods National Monument,California,,NPS,Established,1/9/08,1908,T. Roosevelt,295
26,Muir Woods National Monument,California,,NPS,Enlarged,9/22/21,1921,W. Harding,128.14
27,Muir Woods National Monument,California,,NPS,Enlarged,4/5/35,1935,F. D. Roosevelt,1.36
28,Muir Woods National Monument,California,,NPS,Enlarged,6/26/51,1951,H. Truman,504.271
29,Muir Woods National Monument,California,,NPS,Enlarged,9/8/59,1959,D. Eisenhower,6.16
30,Grand Canyon National Park,Arizona,Grand Canyon National Monument,NPS,Established,1/11/08,1908,T. Roosevelt,"808,120"
31,Grand Canyon National Park,Arizona,Grand Canyon National Monument,NPS,Redesignated Grand Canyon NP,2/26/19,1919,65th Congress,
32,Pinnacles National Park,California,Pinnacles National Monument,NPS,Established,1/16/08,1908,T. Roosevelt,"1,320"
33,Pinnacles National Park,California,Pinnacles National Monument,NPS,Enlarged,5/7/23,1923,W. Harding,"2,653.46"
34,Pinnacles National Park,California,Pinnacles National Monument,NPS,Enlarged,7/2/24,1924,C. Coolidge,"2,980.26"
35,Pinnacles National Park,California,Pinnacles National Monument,NPS,Enlarged,4/13/31,1931,H. Hoover,"1,926.35"
36,Pinnacles National Park,California,Pinnacles National Monument,NPS,Enlarged,7/11/33,1933,F. D. Roosevelt,4805
37,Pinnacles National Park,California,Pinnacles National Monument,NPS,Enlarged,12/5/41,1941,F. D. Roosevelt,"4,589.26"
38,Pinnacles National Park,California,Pinnacles National Monument,NPS,Enlarged,1/11/00,2000,W. Clinton,"7,900"
39,Pinnacles National Park,California,Pinnacles National Monument,NPS,Redesignated NP,1/10/13,2013,112th Congress,440
40,Jewel Cave National Monument,South Dakota,,NPS,Established,2/7/08,1908,T. Roosevelt,"1,274.56"
41,Natural Bridges National Monument,Utah,,NPS,Established,4/16/08,1908,T. Roosevelt,120
42,Natural Bridges National Monument,Utah,,NPS,Enlarged,9/25/09,1909,W. Taft,"2,620"
43,Natural Bridges National Monument,Utah,,NPS,Boundaries Confirmed,2/11/16,1916,W. Wilson,
44,Natural Bridges National Monument,Utah,,NPS,Enlarged,8/14/62,1962,J. Kennedy,"5,236"
45,Natural Bridges National Monument,Utah,,NPS,Diminished,,,,320
49,Tumacacori National Historical Park,Arizona,Tumacacori National Monument,NPS,Established,9/15/08,1908,T. Roosevelt,10
50,Tumacacori National Historical Park,Arizona,Tumacacori National Monument,NPS,Enlarged,3/28/58,1958,D. Eisenhower,0.15
51,Tumacacori National Historical Park,Arizona,Tumacacori National Monument,NPS,Enlarged,11/10/78,1978,95th Congress,7
52,Tumacacori National Historical Park,Arizona,Tumacacori National Monument,NPS,Deleted,11/10/78,1978,95th Congress,0.011
53,Tumacacori National Historical Park,Arizona,Tumacacori National Monument,NPS,Redesignated NHP,8/6/90,1990,101st Congress,
56,Olympic National Park,Washington,Mount Olympus,NPS,Established,3/2/09,1909,T. Roosevelt,"639,200"
57,Olympic National Park,Washington,Mount Olympus,NPS,Diminished,4/17/12,1912,W. Taft,160
58,Olympic National Park,Washington,Mount Olympus,NPS,Diminished,5/11/15,1915,W. Wilson,"313,280"
59,Olympic National Park,Washington,Mount Olympus,NPS,Diminished,1/7/29,1929,C. Coolidge,640
60,Olympic National Park,Washington,Mount Olympus,NPS,Redesignated NP,6/29/38,1938,75th Congress,
61,Navajo National Monument,Arizona,,NPS,Established,3/20/09,1909,W. Taft,360
62,Navajo National Monument,Arizona,,NPS,Diminished,3/14/12,1912,W. Taft,320
63,Oregon Caves National Monument and Preserve,Oregon,Oregon Caves National Monument,NPS,Established,7/12/09,1909,W. Taft,465.8
64,Oregon Caves National Monument and Preserve,Oregon,Oregon Caves National Monument,NPS,Enlarged,11/10/78,1978,95th Congress,8
65,Oregon Caves National Monument and Preserve,Oregon,Oregon Caves National Monument,NPS,Redesignated NMP,12/19/14,2014,113th Congress,
66,Zion National Park,Utah,Mukuntu-Weap/Zion National Monument,NPS,Established,7/31/09,1909,W. Taft,"16,000"
67,Zion National Park,Utah,Mukuntu-Weap/Zion National Monument,NPS,Enlarged & Renamed,3/18/18,1918,W. Wilson,"76,800"
68,Zion National Park,Utah,Mukuntu-Weap/Zion National Monument,NPS,Redesignated NP,11/19/19,1919,66th Congress,
71,Salinas Pueblo Missions National Monument,New Mexico,Gran Quivira,NPS,Established,11/1/09,1909,W. Taft,160
72,Salinas Pueblo Missions National Monument,New Mexico,Gran Quivira,NPS,Enlarged,11/25/19,1919,W. Wilson,240
73,Salinas Pueblo Missions National Monument,New Mexico,Gran Quivira,NPS,"Abolished, funds available to Salinas NM",12/19/80,1980,96th Congress,
74,Salinas Pueblo Missions National Monument,New Mexico,Gran Quivira,NPS,Redesignated Salinas Pueblo Missions NM,10/28/88,1988,,
75,Sitka National Historical Park,Alaska,Sitka National Monument,NPS,Established,3/23/10,1910,W. Taft,57
76,Sitka National Historical Park,Alaska,Sitka National Monument,NPS,Resurveyed & Enlarged,2/25/52,1952,H. Truman,54.334
77,Sitka National Historical Park,Alaska,Sitka National Monument,NPS,Redesignated NHP,10/18/72,1972,92d Congress,
78,Sitka National Historical Park,Alaska,Sitka National Monument,NPS,Deleted,7/30/83,1983,96th Congress,
79,Rainbow Bridge National Monument,Utah,,NPS,Established,5/30/10,1910,W. Taft,160
80,Big Hole National Battlefield,Montana,Big Hole Battlefield National Monument,NPS,Established,6/23/10,1910,W. Taft,5
81,Big Hole National Battlefield,Montana,Big Hole Battlefield National Monument,NPS,Enlarged,6/29/39,1939,F. D. Roosevelt,195
82,Big Hole National Battlefield,Montana,Big Hole Battlefield National Monument,NPS,Redesignated NB,5/17/63,1963,88th Congress,
83,Colorado National Monument,Colorado,,NPS,Established,5/24/11,1911,W. Taft,"13,883.06"
84,Colorado National Monument,Colorado,,NPS,Enlarged,3/3/33,1933,H. Hoover,
85,Colorado National Monument,Colorado,,NPS,Diminished,8/7/59,1959,D. Eisenhower,211
86,Colorado National Monument,Colorado,,NPS,Enlarged,,,,120
87,Devils Postpile National Monument,California,,NPS,Established,7/6/11,1911,W. Taft,798.46
88,Cabrillo National Monument,California,,NPS,Established,10/14/13,1913,W. Wilson,0.5
89,Cabrillo National Monument,California,,NPS,Enlarged,2/2/59,1959,D. Eisenhower,80
90,Cabrillo National Monument,California,,NPS,Enlarged,9/28/74,1974,G. Ford,56.6
93,Dinosaur National Monument,"Utah, Colorado",,NPS,Established,10/4/15,1915,W. Wilson,80
94,Dinosaur National Monument,"Utah, Colorado",,NPS,Enlarged,7/14/38,1938,F. D. Roosevelt,"203,885"
95,Walnut Canyon National Monument,Arizona,,NPS,Established,11/30/15,1915,W. Wilson,960
96,Walnut Canyon National Monument,Arizona,,NPS,Enlarged,9/24/38,1938,F. D. Roosevelt,913.6
97,Bandelier National Monument,New Mexico,,NPS,Established,2/11/16,1916,W. Wilson,"23,352"
98,Bandelier National Monument,New Mexico,,NPS,Enlarged,2/15/32,1932,H. Hoover,
99,Bandelier National Monument,New Mexico,,NPS,Enlarged,1/9/61,1961,D. Eisenhower,"3,600"
100,Bandelier National Monument,New Mexico,,NPS,Enlarged,5/27/63,1963,J. Kennedy,"2,882"
101,Bandelier National Monument,New Mexico,,NPS,Diminished,,,,"3,925"
102,Acadia National Park,Maine,Sieur de Monts National Monument,NPS,Established,7/8/16,1916,W. Wilson,"5,000"
103,Acadia National Park,Maine,Sieur de Monts National Monument,NPS,Redesignated Lafayette NP,2/26/19,1919,65th Congress,
104,Acadia National Park,Maine,Sieur de Monts National Monument,NPS,Redesignated Acadia NP,1930,,,
105,Capulin Volcano National Monument,New Mexico,Capulin Mountain,NPS,Established,8/9/16,1916,W. Wilson,640.42
106,Capulin Volcano National Monument,New Mexico,Capulin Mountain,NPS,Redesignated Capulin Volcano NM,3/3/33,1933,H. Hoover,
111,Casa Grande Ruins National Monument,Arizona,,NPS,Established,8/3/18,1918,W. Wilson,480
112,Katmai National Park and Preserve,Alaska,Katmai National Monument,NPS,Established,9/24/18,1918,W. Wilson,"1,088,000"
113,Katmai National Park and Preserve,Alaska,Katmai National Monument,NPS,Enlarged,4/24/31,1931,H. Hoover,