Nature
Mount McArthur, in Yoho National Park, British Columbia, was named in 1886 by Otto Koltz for surveyor James J. McArthur, whose work mapping the Canadian Rockies for the Canadian Pacific Railway tied the peak to the great era of railway building and exploration. The mountain lies in a subarctic climate marked by long snowy winters, mild summers, and severe winter cold intensified by wind chill. Its geology reflects ancient sedimentary rock laid down in shallow seas from the Precambrian through the Jurassic, later pushed eastward over younger rock during the Laramide orogeny that helped form the Canadian Rockies.
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British Columbia · Canada
