WASHINGTON, July 17 -- The U.S. Department of the Interior issued the following news release: Secretary of the Interior Deb Haaland today formally established Blackwell School National Historic Site in Texas as the nation's newest national park. The park is the seventh national park unit designated under President Biden. Recent additions include the designation of Amache National Historic Site in Colorado, the Emmett Till and Mamie Till-Mobley National Monument in Illinois and Mississippi, and   more