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Plate 15. Coniferous Cover. Hemlock, pine, spruce, fir, cedar furnish the basis 

 of the best protective shelter for grouse. Its value depends on species, age, density 

 mainly. A (Upper). Hemlock on left has sheltering branches close to ground, 

 white pine on right has shelter only in crown. B (Lower). Close-up of low-hanging 

 hemlock boughs showing their provision of winter protection. 



