FOREST TREES OF THE PACIFIC SLOPE. 



89 



fine-grained. One of the two most Important timber spruces of northeastern 

 North America. 



Longkvity. — Long-lived, full-grown trees reach an age of 250 to 350 years. 



Newfoundland to Hudson Bay and northwestward to Alaska; southward to northern 

 New York, Michigan, Wisconsin, Minnesota, South Dakota, Montana, and British 



Columbia. Western range, throughout Canadian plains region from Saskatchewan River 

 Valley northward nearly to the Arctic Ocean; extends southward, in a tongue, along 

 east slope of Rockies, at 3,000 to 5,000 feet, through northern Montana (also in Cypress 

 Hills, southwestern Assiniboia, and Black Hills, South Dakota); extending northwest- 

 ward, at 500 to 3, I or 4,000 feel elevation, it crosses the northern Rockies into the 



plateau ot northern British Columbia and Yukon Territory, ranging throughout Alaska, 

 at 2,000 to 1,000 feet, and to Bering Sea, except on the sea slope of Pacific coast ranges 

 on the south and the Arctic watershed on the north, 



