Man and the Glacial Period

accumulation Alps animals basin boulder-clay boulders cave channel clay cliffs coast continuous County Creek depth distance drainage drift east elevation England erosion Europe evidence extending facts farther fiords flints flow formed Fort Snelling glacial boundary glacial deposits Glacial epoch glacial ice glacial motion Glacial period glaciated area glaciated region gorge granite gravel Greenland height hills hundred feet Ice age ice-front ice-movement ice-sheet implements Irish Sea island kettle-holes Lake Lake Agassiz Lake Michigan Lake Ontario land latitude lava loess lower marine marked mass melting miles Mississippi motion movement névé northern northward numerous occur Ocean Ohio outlet palæolithic pebbles phenomena Pliocene portion preglacial present probably Professor Rhône Rhône Glacier ridges River rocks sand shells shore side Somme southern southward species square miles strata streams subsidence surface terminal moraine terraces Tertiary Thenay theory thick thousand feet tion transported tributary upper valley vicinity western