Collection time: 1830-1850z.

Weather: T:-14.9C, RH: 80%, wind: 9kts at 102. Sky conditions: BKN025 OVC065. 

Where collected: 3 m E of the MSF.

Description: Hollow columns, radiating plates, and irregulars.

Other comments: Slides 0023-0050 are from upwind side, 0053-0056 are from downwind side of t-block.

RN