CONTENTS 



FIGURES — Continued 



Page 



20 Till isopach map as interpreted mainly from seismic reflection 34 



records 



21 Map of surface sediments as interpreted from the seismic 



reflection records and core samples 35 



22 Photo of sand in core 93 36 



23 Photo of muddy sand in core 92 36 



24 Photo of sandy mud in core 87 37 



25 Photo of mud in core 88 37 



26 Postglacial sediment isopach as interpreted mainly from seismic 



reflection records 38 



