ECs in the ICE group

ECC_CREVASSE	ECC_DIAMOND_DUST	ECC_FROZEN_PRECIPITATION_FIELD	ECC_GLACIER
ECC_HOAR_FROST	ECC_ICE	ECC_ICE_BOOM	ECC_ICE_CLIFF
ECC_ICE_FIELD	ECC_ICE_GLAZE	ECC_ICE_KEEL	ECC_ICE_PEAK
ECC_ICE_PELLETS	ECC_ICE_SHELF	ECC_ICE_SLUDGE	ECC_ICEBERG
ECC_PACK_ICE	ECC_PERMANENT_SNOWFIELD	ECC_PINGO	ECC_POLAR_CAP
ECC_POLAR_ICE	ECC_PRESSURE_ICE	ECC_PROTECTION_SHED	ECC_RIME
ECC_SNOW_GRAINS	ECC_SNOW_GROUND_COVER	ECC_SNOW_PRECIPITATION	ECC_SNOW_SHED
ECC_SNOWFIELD	ECC_SOLID_PRECIPITATION	ECC_SURFACE_FISSURE