In the Front Ranges of the Rocky Mountains

 
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Description: Dr. Percival S. Warren, Cadomin, Alberta, ca. 1957 Warren (at right) joined the Department of Geology at the University of Alberta in 1920 as Professor of Paleontology and Stratigraphy. He and two others are examining the contact between the Mesozoic and Paleozoic sedimentary rocks on the railway track near Cadomin.
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