Data for snow samples collected during the 2002 (CLPX) (IOP-1) Cold Land Processes Experiment for Low Temperature Scanning Electron Microscopy (LTSEM). (ISA) Intensive Study Area- Walton Creek- Pit site- RWSP14 located in Charlie sector- in open alpine mountain terrain with iterspersed coniferous and aspen groves. Samples Collected : by Eric Erbe-USDA-ARS-Beltsville Agricultural Research Center-Electron Microscopy Unit-Feb.24,2002, 11:11 AM , 15 meters East of the pit marking pole. Moderate amounts of snow falling,and windy with blowing snow. Temperature below freezing the entire period of snow collection. Pit characterization done by Charlie from Idaho.