Plate XIV 





Raised sea-beach on Willapa Bay, with abed of 

 shells containing Thais lamellosa, of Pleistocene 

 origin. 



Shell-bed in the Pleistocene raised beach in 

 which may be seen the underlying glacial till, 

 and the overlay of terrace deposits,presumably 

 of fluviatile origin. C. 14 dating of till, over 

 38,000 years. 



