(near Alamosa, Colo., Nov. 14, 2007) Energy gels and snowshoes counter the work needed to traverse and climb in the sand. Brian Metzler and John O'Connor go sandboarding in Great Sand Dunes National Park and Preserve, Colo., on Wednesday, Nov. 14, 2007.
Steve Peterson, (near Alamosa, Colo., Nov. 14, 2007) Energy gels and snowshoes counter the work needed to traverse and climb in the sand. Brian Metzler and John O'Connor go sandboarding in Great Sand Dunes National Park and Preserve, Colo., on Wednesday, Nov. 14, 2007. (11/14/2007), [435732342] . Denver Public Library Digital Collections, accessed 15/12/2025, https://digital.denverlibrary.org/nodes/view/791201