Labels:text | map OCR: Rock surface loe-plucked Corrie lake Steep corrie smoothed by ice rocks headwall Scree formed from collapse of material from glacially steepened valley side Trimline: frost-shattered Flat-bottomed rock above glacial valley ice-smoothed floored with till rock below . Marginal Moraines Drumlins: sediment Boulders molded into dumped smooth hills by Ice by ice Terminal Moraine-dammed Moraines lake