earth-bank As a command 10 categories below earth-bank Narrow by landform 9 natural-object 9 place 9 sandbank 8 shoal 7 reef 5 coral-reef 4 cliff 1 island 1 land 1 slope 1 coral-reef 4reef 5sandbank 8shoal 7atollbarrier-reefbluffcaygreat-barrier-reefsandbar