With the stroke of the pen, President Johnson created the National Wilderness Preservation System, which then comprised a little over 9 million acres of irreplaceable Forest Service land.
Long-running comic strip "Mark Trail,” which has featured conservation and nature lessons for decades, saluted the Wilderness Act’s 50th anniversary on Aug. 31.
Secretary Jewell spoke at the event, joining The Wilderness Society President Jamie Williams, U.S. Fish and Wildlife Service Director Dan Ashe and Reps. Rodney Frelinghuysen (R-NJ) and Leonard Lance (R-NJ), among other guests.
You can watch a video of the ceremony here:
Though everyone had a great time, this was no ordinary afternoon at AT&T Park.
Rocky Mountain National Park will be honoring the 100th anniversary of the park's protection for the next year, through Sept. 4, 2015.
America has more than 750 designated wilderness areas.
Stanton was sworn in as the first African-American director of the NPS in 1997, but his path to that lofty perch was not an easy one.