CGRG Bibliography of Canadian Geomorphology
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Author : Cruden, D.M.; and Langenberg, W.
Date : 2003.
Title : McConnell and Brock's report on the Great Landslide at Frank, District of Alberta, Northwest Territories.
Publication : 3rd Canadian Conference on Geotechnique and Natural Hazards. Sheraton Hotel. Edmonton, Alberta, Canada. June 9 and 10, 2003.
Issue :
Page(s) :
Abstract
On 30 April, 1903, a day after the Frank Slide, the Superintendent of Mines in the Canadian Department of the Interior instructed two senior staff of the Geological Survey of Canada to investigate the catastrophe. R.G. McConnell and R.W. Brock were assisted at the slide by the surveyor, W.H. Boyd, and the coal geologist, W.W. Leach. They reported answers to Dr. E. Haanel's four questions on June 12, 1903. The condition of the strata before the slide was affected by slight readjustments attendant on mining operations. The slide was due to a combination of causes the chief of which, the structure and condition of the mountain, was aided by exceptional atmospheric and other natural conditions. The north peak and shoulder of Turtle Mountain overhanging the town of Frank are dangerous and there is some possibilityof a sudden movement (although the commencement of the movement is more likely to be gradual). Their Report played an important role in the first North American textbook on landslides, in Terzaghi's 1950 review and in the U.S. National Academy of Sciences Special Reports on Landslides. The careful contemporary account of the landslide's impact on Frank is still one of the very few available for risk assessment studies.
Bibliography of Canadian Geomorphology