Collection time: 1534UTC on 2/19 to 1255 on 2/20 Weather: T:-41 C, RH: 71%, wind: 5 knots at 85 Sky conditions: OVC100 Where collected: 2 meters W of MSF Description: Simple prisms, hollow columns, plates, bullet rosettes. Other comments: On 2/19, placed slides on collection bench on N side of MSF at 14:04z. No accumulation on slide had occurred by 15:29z, so fresh slides were placed at 15:34z, and bench was moved to W side of MSF, ~2 meters from structure for an overnight collection. Photographed slides at 12:55z the next day (2/20). Photo DSC_0348.jpg is from a densely crystal-packed slide, others are from a less-crystal-packed slide.