PLOVER BAY 



nz 



three feet in diameter and nearly a hundred feet high. 

 This is the same species ( Tsuga mertensiana Sarg.) 

 which grows on the High Sierra of California near the 

 timber line. 





COLUMBIA GLACIER, PRINCE WILLIAM SOUND. 



Every feature of Prince William Sound shows that it 

 was once filled by a grand glacier; but, with the excep- 

 tion of its complicated network of fiords, it has long been 

 open to the sea — probably a thousand years or more. 

 On the north shore I found a Sitka spruce 380 years old, 

 and the ruins on the forest floor bear witness to several 

 generations of these trees. And on the shore of the 

 Harriman Fiord, well up toward the head, where the ice 

 must have lingered long after the main central glacier 

 had vanished, I counted 325 annual rings on a hemlock 

 stump only nine inches in diameter. 



From this glorious sound we sailed to Cook Inlet, 

 from which most of the great glaciers that once loaded 

 its mountains have vanished; thence to flowery, grassy 

 Kadiak and Unalaska, gaining splendid general views of 

 the wonderful chain of volcanoes extending along the 



