1840 L. S. Costello II. iii. 60 A staircase..conducts us to a long walk in the river, planted with low shrubs, to the poplar-covered island.
2002 (Nexis) 31 May b2 From the top of the park's two aspen, white spruce and balsam poplar-covered escarpments, the Rocky Mountains can be seen on a clear day.