Proceedings Am. Philos. Soc. Vol. LII. No. 212 



Plate XLVIII 



Fig. a. 



Fig. b. 



Fig. a. Steilacoom gravels (outwash of Vashon drift), prairie between Gate 

 and Olympia, Washington. 



Fig. b. Glacial deposits at south end of Marrowstone Island, Port Town 

 send, Washington. 



