Vertical Frontier A Kristi Denton Cohen/ Peloton Productions Film in Association with Sierra Club Productions Narrated by Tom Brokaw
John Muir: Yosemite's first climber. (MPEG-4 file)
Dick Leonard recalls the first ascent of Higher Cathedral Spire in 1934. (MPEG-4 file)
Warren Harding and Dean Caldwell's epic ascent of El Capitan's "Dawn Wall" in 1970. (MPEG-4 file)