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2. The Frank Slide Story;Anderson,1968
3. Turtle Mountain;Brock;Summ. Rep. Geol. Surv., Can.,1910
4. Turtle Mountain, Frank, Alberta;Brock;Summ. Rep. Geol. Surv., Can.,1911
5. Coates, D., 1967. Rock Mechanics Principles. Can. Dep. Energy, Mines Resourc., Mines Branch Monogr., 874.