Fairchild. 735 ft reaches above sea level at Canadian boundary 363 ft reaches at Hamilton 0 ft reaches at Sandy Hook Land depressed northward during glacial times, now raised above sea level. My own gradient up Hudson & Connecticut Pleistocene Btthm of sectn Süing. glacial stage 1 Rautian Süing-Würdel Interglacial stage 1 St Preistau Würdel. blacial 2 Rentelian Mafflean Mesdrian Würdel-Riss Interglacial 2 Strigyan Riss: Glacial 3 Schellenander* Achaulian Riss-Würm Interglacial 3 Middle Grom Monsternite Würm Glacial 4 Hyppamsteria Gundalian Solutrian Magdalenite Recent Post glacial 4 Varius Verbiture culture of shor Rotenhausiie is my latest Cultures & * Rivers in Monsternian [ ]