ECs in the SURFACE_MATERIAL group

ECC_AIRCRAFT_PARKING_FACILITY	ECC_AIRCRAFT_STORAGE_TRACT	ECC_ALKALI_FLAT	ECC_APRON
ECC_CHEMICAL_HAZARD_REGION	ECC_DISTURBED_SOIL	ECC_ESKER	ECC_EXPOSED_BEDROCK
ECC_FILTRATION_BED	ECC_FROZEN_PRECIPITATION_FIELD	ECC_GROUND_SURFACE_ELEMENT	ECC_HARD_STANDING
ECC_HOAR_FROST	ECC_ICE_GLAZE	ECC_ICE_PEAK	ECC_MORAINE
ECC_PERMAFROST	ECC_PERMANENT_SNOWFIELD	ECC_RADIOLOGIC_HAZARD_REGION	ECC_RIME
ECC_ROCK	ECC_ROCKY_LANDMARK	ECC_ROCKY_OUTCROP	ECC_SABKHA
ECC_SALT_PAN	ECC_SAND_BAR	ECC_SAND_DUNE	ECC_SAND_DUNE_REGION
ECC_SAND_LINE	ECC_SNOW_GROUND_COVER	ECC_SNOWFIELD	ECC_SOIL
ECC_STONE	ECC_WATER_TREATMENT_BED