Who announced the which trails were chosen by the American organization established by Executive Order 13072?
National Millennium Trail National Millennium Trails are 16 long-distance trails selected from 58 nominees as visionary trails that reflect defining aspects America's history and culture. The trails were chosen on June 26, 1999, by the White House Millennium Council and announced by U.S. Transportation Secretary Rodney Slater at the second international Trails and Greenways Conference in Pittsburgh, PA.
San Gabriel Mountains Trailbuilders The San Gabriel Mountains Trailbuilders (SGMTBs) is a 501(c)3 non-profit volunteer organization which performs hiking and nature trail building and maintenance within the San Gabriel River Ranger District of the Angeles National Forest located within the San Gabriel Mountains.