Show i i Riy Rivers rs Diverted From rom Beds by Fields of Ice j If Is l 0 a long tong way from nr present day t Q floods p along m g the MI Mississippi is river hack back to the great reat Ice age ue hut hilt of or the tite latter after period have ho considerable bearing on the trials arid and tribulations of the lie valley dwellers Before the great grent fields of Ice worked their way n down from the north ort h at ot least two rivers the lie upper r Missouri arid and the Yellowstone Unwed thawed nl northeast ant and emptied Into Hudson hay bay With lt Ii the advent of ot the sheets of or Ice ho ever the these e two rivers vere were forc forced d to torun torun torun run to tile the south and their combined waters aters cut th tIne the gorge gurge now followed follo b by the Missouri through the Dakotas At the same time the lied fled river became be he- came a huge pond called glacial Lake with an nn outlet to the Sr sort soci rh niter rl er valley Part Part of the watershed water water- shed of ot the Red nel river tC a permanent per per- manent source of ot water vater for a river i flowing to tile the south and the original heath bend of ot the Missouri river This river rl Is now known as the Jon Juries rs s river I With the melting of the tile I great rent Ice e dunn dam the lie lIed Hed river resumed It Its normal r How now to the north hui the lie con to the south E EX t |