Kiesa and Calvin climb the Great Sand Dunes
10:33:30 MDT Saturday 15 June 2013
Calvin and Kiesa on top of a dune
10:57:47 MDT Saturday 15 June 2013
Calvin and Kiesa descend the sand dunes
11:26:53 MDT Saturday 15 June 2013
Jaeger supervises an engineering workshop at the Great Sand Dunes; Calvin watches
13:50:54 MDT Saturday 15 June 2013