Through Louis Berger’s "Explorers Wanted: 100 Volunteers for 100 Years" campaign commemorating the National Park Service’s Centennial, 103 volunteers worked 266 hours to protect and explore U.S. national parks
Through Louis Berger’s "Explorers Wanted: 100 Volunteers for 100 Years" campaign commemorating the National Park Service’s Centennial, 103 volunteers worked 266 hours to protect and explore U.S. national parks.