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Data sets Publications Expeditions Thesaurus
fossil ice wedges  search
BTsedimentary structures
 .bedding plane irregularities
 ..fossil ice wedges
UFice wedges, fossil
 ice-wedge cast
 ice-wedge fill
 ice-wedge pseudomorph
 wedges, fossil ice
RTfrost action
 periglacial features
 frost features
 ice wedges