Table 8.53 — ECs in the SURFACE_MATERIAL group
EC labels
AIRCRAFT_PARKING_FACILITY AIRCRAFT_STORAGE_TRACT ALKALI_FLAT APRON
BOULDER CHEMICAL_HAZARD_REGION DISTURBED_SOIL ESKER
EXPOSED_BEDROCK FILTRATION_BED FROZEN_PRECIPITATION_FIELD GROUND_SURFACE_ELEMENT
HARD_STANDING HOAR_FROST ICE_GLAZE ICE_PEAK
MORAINE PERMAFROST PERMANENT_SNOWFIELD RADIOLOGIC_HAZARD_REGION
RIME ROCK ROCKY_LANDMARK ROCKY_OUTCROP
SABKHA SALT_PAN SAND_BAR SAND_DUNE
SAND_DUNE_REGION SAND_LINE SNOW_GROUND_COVER SNOWFIELD
SOIL STONE WATER_TREATMENT_BED  

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