Backlit shot of the 2-15-06 dust layer shot at Loveland Ski Area. The marks on the probe pole are 10 cm intervals. Photo by Halsted Morris.

 

Snowpit from Loveland ski area with Valentines Day dust layer. Halsted commented, "It almost looks like a dirt ring in the bath tub." Photo by Halsted Morris.

 

This column failed with only two wrist taps, on top of the dust layer. Photo by Halsted Morris.