5 



ALASKA GLACIERS 



curvature suggest that they are connected with earlier 

 positions of the margin of Malaspina Glacier, and these 

 corrugations end against a great shoal which spans the 

 mouth of the bay from cape to cape. This shoal is 

 slightly convex toward the ocean, and its submergence 

 ranges from 50 to 80 feet. It is believed to mark a former 

 extension of the seaward face of Malaspina Glacier. 



VUBBARD 

 .CIER 



FIG. 27. MAP OF YAKUTAT BAY, SHOWING CONFIGURATION OF BOTTOM. 

 Adapted from U. S. Coast Survey. Places where no soundings were made are indicated by ??. 



All or nearly all of these ridges are probably connected 

 with the Pleistocene history of the region, but the moraine 



