Rocky Mountain Regional Snowpack Chemistry
Dunckley Pass, Colo.
Questions? Contact Graham Sexstone
Snowpack-sampling pit near Dunckley Pass, Colo. Note discolored dust layers on left face (April 1, 2009).
Snow-density measurement in snowpack-sampling pit near Dunckley Pass, Colo.
Workers in snowpit near Dunckley Pass, Colo.
All photographs by G. Ingersoll, USGS
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