1  Unvegetated

Less than 10% vegetation cover. Excludes agricultural and developed areas, and open water. Refers mostly to large areas of bare rock, saline flats, and permanent snow and ice fields.

10 - Rock/Talus
11 - Cliffs
20 - Ice/Snow (permanent)
30 - Sand (beaches, dunes)
40 - Bare Soil (found after floods or forest fires)