Renny Jackson A climber with over 50 years of experience, Renny Jackson worked as a climbing ranger for 34 years at Denali and Grand Teton National Parks before retiring in 2010. Contributor to These Books Top 10 Climbing A Climber's Guide to the Teton Range, 4th Edition by Leigh Ortenburger and Renny Jackson $49.95
Renny Jackson A climber with over 50 years of experience, Renny Jackson worked as a climbing ranger for 34 years at Denali and Grand Teton National Parks before retiring in 2010. Contributor to These Books Top 10 Climbing A Climber's Guide to the Teton Range, 4th Edition by Leigh Ortenburger and Renny Jackson $49.95
