_:b1218012 . _:b1218012 . _:b1218012 . _:b1218012 "A glacier covering a coastal strip of low-lying land backed by mountains, and sloping gently seaward over a distance up to 30km or more to terminate in ice cliffs or to merge with an ice shelf."^^ . _:b1218012 "web:http://www.antarctica.ac.uk/apc/genericterms.html"^^ .