Rocky Mountain Regional Snowpack Chemistry Monitoring Study

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Dunckley Pass, Colo.

Photographs

Snowpack-sampling pit near Dunckley Pass, Colo.

Snowpack-sampling pit near Dunckley Pass, Colo. Note discolored dust layers on left face (April 1, 2009).

Snow-density measuremen  in snowpack-sampling pit near Dunckley Pass, Colo.

Snow-density measurement in snowpack-sampling pit near Dunckley Pass, Colo.

Workers in snowpit near Dunckley Pass, Colo.

Workers in snowpit near Dunckley Pass, Colo.

All photographs by G. Ingersoll, USGS