<P> In 1902 the Federal Government purchased 32 mineral springs near Sulphur, Oklahoma, from the Choctaw and Chickasaw Indians . The Sulphur Springs Reservation was placed under the jurisdiction of the Secretary of the Interior who shortly acquired some additional land . In 1906 Congress created Platt National Park which included the Sulphur Springs Reservation . </P> <P> Forty - four years after the establishment of Yellowstone, President Woodrow Wilson created the National Park Service on August 25, 1916 . For years J. Horace McFarland, President of the American Civic Association; Secretaries of the Interior Walter Fisher and Franklin K. Lane; Presidents William Howard Taft and Woodrow Wilson; Frederick Law Olmsted Jr ...; Representatives William Kent and John E. Raker of California; Senator Reed Smoot of Utah; Stephen T. Mather and Horace M. Albright had been seeking the creation of separate agency to manage the National Parks and Monuments . </P> <P> On June 10, 1933, President Franklin D. Roosevelt signed Executive Order 6166 which consolidated all National Parks and National Monuments, National Military Parks, the eleven National Cemeteries, National Memorials, and the National Capital Parks into a single National Park System . The National Park Service was directed to oversee all of these areas . There were three significant results of this action: </P> <Ol> <Li> it made the National Park Service the sole Federal agency responsible for all Federally owned public parks, monuments, and memorials; </Li> <Li> it enlarged the National Park System idea to include at least four types of areas not clearly included in the System concept before 1933--National Memorials, like the Washington Monument and the Statue of Liberty; National Military Parks, like Gettysburg and Antietam with their adjoining National Cemeteries; National Capital Parks, a great urban park system as old as the nation itself; and the first recreational area--George Washington Memorial Parkway; </Li> <Li> the reorganization substantially increased the number of areas in the System by adding 12 natural areas in 9 western states and Alaska and 57 historical areas located in 17 predominantly eastern states and the District of Columbia . </Li> </Ol>

When was the us national park system established