CRREL Camp Snow Accumulation Survey Big House section NW corner: N72 34.904 W38 27.677 NE corner: N72 34.864 W38 27.285 SE corner: N72 34.696 W38 27.474 SW corner: N72 34.735 W38 27.864 Antenna height (measured from surface of snow to GPS antenna base): 138.5cm 20130313 1350-1700 local 1650-2000 UTC