Antiquities Act Designations and Related Actions NPS Only Current Name State(s) Original Name Current Agency Action Date President/ Congress Acres Affected Devils Tower National Monument Wyoming NPS Established 9/24/1906 T. Roosevelt 1,193.91 El Morro National Monument New Mexico NPS Established 12/8/1906 T. Roosevelt 160 Enlarged 6/18/1917 W. Wilson 240 Montezuma Castle National Arizona NPS Established 12/8/1906 T. Roosevelt 161.39 Monument Enlarged 2/23/1937 F. D. Roosevelt 360 Enlarged 11/10/1978 95th Congress 13 Deleted 11/10/1978 95th Congress 5 Petrified Forest National Park Arizona Petrified Forest National NPS Established 12/8/1906 T. Roosevelt 60,776.02 Monument Diminished 7/31/1911 W. Taft 25,625.60 Enlarged 11/14/1930 H. Hoover 11,010 Redesignated NP 3/28/1958 85th Congress Enlarged 11/30/1931 H. Hoover Enlarged 9/23/1932 H. Hoover 53,300 Chaco Culture National Historical New Mexico Chaco Canyon National NPS Established 3/11/1907 T. Roosevelt 10,643.13 Park Monument Enlarged 1/10/1928 C. Coolidge 21,509.40 Redesignated Chaco Culture NHP 12/19/1980 96th Congress Lassen Volcanic National Park California Cinder Cone National NPS Established 5/6/1907 T. Roosevelt 5,120 Monument Incorporated into Lassen Volcanic NP 8/9/1916 64th Congress Lassen Volcanic National Park California Lassen Volcanic National NPS Established 5/6/1907 T. Roosevelt 1,280 Monument Redesignated Lassen Volcanic NP 8/9/1916 64th Congress Gila Cliff Dwellings National New Mexico NPS Established 11/16/1907 T. Roosevelt 160 Monument Enlarged 4/17/1962 J. Kennedy 373.25 Tonto National Monument Arizona NPS Established 12/19/1907 T. Roosevelt 640 Enlarged 4/1/1937 F. D. Roosevelt 480 Muir Woods National Monument California NPS Established 1/9/1908 T. Roosevelt 295 Enlarged 9/22/1921 W. Harding 128.14 Enlarged 4/5/1935 F. D. Roosevelt 1.36 Enlarged 6/26/1951 H. Truman 504.271 Enlarged 9/8/1959 D. Eisenhower 6.16 Grand Canyon National Park Arizona Grand Canyon National NPS Established 1/11/1908 T. Roosevelt 808,120 Monument Redesignated Grand Canyon NP 2/26/1919 65th Congress Pinnacles National Park California Pinnacles National NPS Established 1/16/1908 T. Roosevelt 1,320 Monument Enlarged 5/7/1923 W. Harding 2,653.46 Enlarged 7/2/1924 C. Coolidge 2,980.26 1 Antiquities Act Designations and Related Actions NPS Only Current Name State(s) Original Name Current Agency Action Date President/ Congress Acres Affected Enlarged 4/13/1931 H. Hoover 1,926.35 Enlarged 7/11/1933 F. D. Roosevelt 4805 Enlarged 12/5/1941 F. D. Roosevelt 4,589.26 Enlarged 1/11/2000 W. Clinton 7,900 Redesignated NP 1/10/2013 112th Congress 440 Jewel Cave National Monument South Dakota NPS Established 2/7/1908 T. Roosevelt 1,274.56 Natural Bridges National Utah NPS Established 4/16/1908 T. Roosevelt 120 Monument Enlarged 9/25/1909 W. Taft 2,620 Boundaries Confirmed 2/11/1916 W. Wilson Enlarged8/14/1962 J. Kennedy 5,236 Diminished 320 Tumacacori National Historical Arizona Tumacacori National NPS Established 9/15/1908 T. Roosevelt 10 Park Monument Enlarged 3/28/1958 D. Eisenhower 0.15 Enlarged 11/10/1978 95th Congress 7 Deleted 11/10/1978 95th Congress 0.011 Redesignated NHP 8/6/1990 101st Congress Olympic National Park Washington Mount Olympus NPS Established 3/2/1909 T. Roosevelt 639,200 Diminished 4/17/1912 W. Taft 160 Diminished 5/11/1915 W. Wilson 313,280 Diminished 1/7/1929 C. Coolidge 640 Redesignated NP 6/29/1938 75th Congress Navajo National Monument Arizona NPS Established 3/20/1909 W. Taft 360 Diminished 3/14/1912 W. Taft 320 Oregon Caves National Monument Oregon Oregon Caves National NPS Established 7/12/1909 W. Taft 465.8 and Preserve Monument Enlarged 11/10/1978 95th Congress 8 Redesignated NMP 12/19/2014 113th Congress Zion National Park Utah Mukuntu-Weap/Zion NPS Established 7/31/1909 W. Taft 16,000 National Monument Enlarged & Renamed 3/18/1918 W. Wilson 76,800 Redesignated NP 11/19/1919 66th Congress Salinas Pueblo Missions National New Mexico Gran Quivira NPS Established 11/1/1909 W. Taft 160 Monument Enlarged 11/25/1919 W. Wilson 240 Abolished, funds available to Salinas NM 12/19/1980 96th Congress 2 Antiquities Act Designations and Related Actions NPS Only Current Name State(s) Original Name Current Agency Action Date President/ Congress Acres Affected Redesignated Salinas Pueblo Missions NM 10/28/1988 Sitka National Historical Park Alaska Sitka National Monument NPS Established 3/23/1910 W. Taft 57 Resurveyed & Enlarged 2/25/1952 H. Truman 54.334 Redesignated NHP 10/18/1972 92d Congress Deleted 7/30/1983 96th Congress Rainbow Bridge National Utah NPS Established 5/30/1910 W. Taft 160 Monument Big Hole National Battlefield Montana Big Hole Battlefield NPS Established 6/23/1910 W. Taft 5 National Monument Enlarged 6/29/1939 F. D. Roosevelt 195 Redesignated NB 5/17/1963 88th Congress Colorado National Monument Colorado NPS Established 5/24/1911 W. Taft 13,883.06 Enlarged 3/3/1933 H. Hoover Diminished8/7/1959 D. Eisenhower 211 Enlarged 120 Devils Postpile National California NPS Established 7/6/1911 W. Taft 798.46 Monument Cabrillo National Monument California NPS Established 10/14/1913 W. Wilson 0.5 Enlarged 2/2/1959 D. Eisenhower 80 Enlarged 9/28/1974 G. Ford 56.6 Dinosaur National Monument Utah, Colorado NPS Established 10/4/1915 W. Wilson 80 Enlarged 7/14/1938 F. D. Roosevelt 203,885 Walnut Canyon National Arizona NPS Established 11/30/1915 W. Wilson 960 Monument Enlarged 9/24/1938 F. D. Roosevelt 913.6 Bandelier National Monument New Mexico NPS Established 2/11/1916 W. Wilson 23,352 Enlarged 2/15/1932 H. Hoover Enlarged 1/9/1961 D. Eisenhower 3,600 Enlarged5/27/1963 J. Kennedy 2,882 Diminished 3,925 Acadia National Park Maine Sieur de Monts National NPS Established 7/8/1916 W. Wilson 5,000 Monument Redesignated Lafayette NP 2/26/1919 65th Congress Redesignated Acadia NP 1930 Capulin Volcano National New Mexico Capulin Mountain NPS Established 8/9/1916 W. Wilson 640.42 Monument Redesignated Capulin Volcano NM 3/3/1933 H. Hoover 3 Antiquities Act Designations and Related Actions NPS Only Current Name State(s) Original Name Current Agency Action Date President/ Congress Acres Affected Casa Grande Ruins National Arizona NPS Established 8/3/1918 W. Wilson 480 Monument Katmai National Park and Preserve Alaska Katmai National Monument NPS Established 9/24/1918 W. Wilson 1,088,000 Enlarged 4/24/1931 H. Hoover Restrictions Modified. 6/15/1936 F. D. Roosevelt Enlarged 8/4/1942 F. D. Roosevelt Enlarged 1/20/1969 L. Johnson 94,547 Enlarged 12/1/1978 J. Carter 1,370,000 Redesignated NP&P 12/2/1980 96th Congress Scotts Bluff National Monument Nebraska NPS Established 12/12/1919 W. Wilson 2,053.83 Enlarged 6/1/1932 H. Hoover Enlarged 3/29/1940 F. D. Roosevelt 53.34 Yucca House National Monument Colorado NPS Established 12/19/1919 W. Wilson 9.6 Great Basin National Park Nevada Lehman Caves National NPS Established 1/24/1922 W. Harding 593.03 Moument Incorporated into Great Basin NP 10/27/1986 99th Congress Timpanogos Cave National Utah NPS Established 10/14/1922 W. Harding 250 Monument Boundaries Confirmed 3/27/1962 J. Kennedy Aztec Ruin National Monument New Mexico NPS Established 1/24/1923 W. Harding 4.6 Enlarged 7/2/1928 C. Coolidge 12.6 Enlarged 12/19/1930 H. Hoover 6.8788 Enlarged 5/27/1948 H. Truman 1.255 Hovenweep National Monument Utah, Colorado NPS Established 3/2/1923 W. Harding 285.8 Enlarged 4/26/1951 H. Truman 80 Enlarged 11/20/1952 H. Truman 81.02 Diminished4/6/1956 D. Eisenhower 40 Enlarged, administered by Canyonlands NP 40 Hopewell Culture National Ohio Mound City Group National NPS Established 3/2/1923 W. Harding 57 Historical Park Monument Redesignated Hopewell Culture NHP 5/27/1992 102d Congress Pipe Spring National Monument Arizona NPS Established 5/31/1923 W. Harding 40 Bryce Canyon National Park Utah Bryce Canyon National NPS Established 6/8/1923 W. Harding 7,440 Monument Redesignated NP 6/7/1924 68th Congress Carlsbad Caverns National Park New Mexico Carlsbad Cave National NPS Established 10/25/1923 C. Coolidge 719.22 4 Antiquities Act Designations and Related Actions NPS Only Current Name State(s) Original Name Current Agency Action Date President/ Congress Acres Affected Monument Redesignated NP 5/14/1930 71st Congress Chiricahua National Monument Arizona NPS Established 4/18/1924 C. Coolidge 3,655.12 Enlarged 6/10/1938 F. D. Roosevelt 6,407 Craters of the Moon National Idaho NPS, BLM Established 5/2/1924 C. Coolidge 22,651.80 Monument Enlarged 7/23/1928 C. Coolidge 26,240 Enlarged 7/9/1930 H. Hoover Diminished 7/18/1941 F. D. Roosevelt Enlarged 11/19/1962 J. Kennedy 5360 Enlarged under BLM 11/9/2000 W. Clinton 661,287 Statue of Liberty National New York Fort Wood NPS Established 10/15/1924 C. Coolidge 2.5 Monument Enlarged 9/7/1937 F. D. Roosevelt 7.88 Enlarged, redesignated Statue of Liberty 5/11/1965 L. Johnson 48 NM Fort Pulaski National Monument Georgia NPS Established 10/15/1924 C. Coolidge 20 Enlarged 8/14/1958 D. Eisenhower 2.5 Castillo de San Marcos National Florida Fort Marion NPS Established 10/15/1924 C. Coolidge 18.51 Monument Redesignated Castillo San Marcos NM 6/5/1942 57th Congress Fort Matanzas National Florida NPS Established 10/15/1924 C.