The Antiquities Act of 1906 is an act that was passed by the United States Congress and signed into law by Theodore Roosevelt on June 8, 1906. This law gives the president of the United States the aut
Devils Tower is a laccolithic butte, composed of igneous rock in the Bear Lodge Ranger District of the Black Hills, near Hulett and Sundance in Crook County, northeastern Wyoming, above the Belle Four
Antiquities Act
…originally designated as national monuments. The first use of the Act protected a large geographic feature: President Theodore Roosevelt proclaimed Devils Tower National Monument on September 24, 1906. President Roosevelt also used it to create the Grand Canyon National Monument (now Grand Canyon National Park) and sixteen other…
Columnar jointed porphyritic phonolite 48
A sign informs visitors of the site's Native American heritage.