In the 1830s Louis Agassiz proved that these moved, bringing with them the rocks & boulders that covered Europe
... Once 
upon a time, he told them, a great sheet of ice, miles thick, had covered the Earth 
... No, these boulders were mineral evidence of changes that took... [DOC] [TLE] Louis Agassiz - University of California Museum of Paleontology [PAR] The son of a minister, Jean Louis Rodolphe Agassiz was born on May 28, 1807 
in the ...