This landscape is one of a series of watercolors of the northwest boundary between the Rocky Mountains and Point Roberts, commissioned on the basis of an Act of Congress from August 11, 1856. The sketches were created by James W. Alden who accompanied the survey party that, during the 1860s and in compliance with the Treaty of 1846, was responsible for recording characteristics of the northwestern boundary of the United States. More Alden Landscape Sketches in the Catalog…