1760  The spruce-fir is of the resinous kind, but does not produce a sufficient quantity for general use.
1829  The spruce-fir is very common, and furnishes materials for spruce-beer, a beverage of high request among the Canadians; and spruce knees, which are the roots of this tree, are found to be a good substitute for crooked oak, in boat and ship-building.
1905  . . . as thunder-clouds looked threatening, at once prepared an elaborate nest, hollowed amongst the roots of a large spruce fir, and filled in with small trees and branches.