ERDC-CRREL Physical Science Technician Steve Decato, center, explains the snow crystal structure to CRREL Scientists Drs. Susan Frankenstein and John Weatherly during a recent snow pit training exercise. Decato has been digging and profiling snow packs for more than 25 years.

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Photo by: Marie Darling, ERDC PAO |  VIRIN: 130401-A-HB029-004.JPG