U. S. GEOLOGICAL SURVEY 



BULLETIN 614 PLATE X 



A. TRUNKS OF TREES OF A SUBMERGED FOREST. COLUMBIA RIVER ABOVE CASCADE LOCKS. 



OREG. 



Opposite Wind Mountain, Wash. It is possible that a landslide into the river from the north side dammed back 



the water so as to drown the trees and cover them partly with mud. 



B, CIGAR-SHAPED RAFT OF LOGS FOR OCEAN TRAVEL 

 On the right is the cradle in which the raft was made. 



