Mary Shelley, History of a Six Weeks' Tour (1817)
“ This glacier, like that of Montanvert, comes close to the vale, overhanging the green meadows and the dark woods with the dazzling whiteness of its precipices and pinnacles, which are like spires of radiant crystal, covered with a net-work of frosted silver. These glaciers flow perpetually into the valley, ravaging in their slow but irresistible progress the pastures and the forests which surround them, performing a work of desolation in ages, which a river of lava might accomplish in an hour, but far more irretrievably; for where the ice has once descended, the hardiest plant refuses to grow ”

