newly incised, [169];
partially dissected, [160];
progressive investment of, by cirques, [374].
Uplift, marks of, on coasts, [245];
sudden, of coasts, [247].
Upraised cliffs, [249].
Uptilt, in basin of Lake Agassiz, [350];
of glaciated area, evidence that it continues, [348-350];
of glaciated area, supposed nature of, [344-347].