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i <br /> <br />The foliation F-1 also strikes in the same general direction as both the southeast slope <br />face and discontinuity plane P-1, although at an overall shallower dip. It is believed that <br />the foliation will prevent developing large failure surfaces along the south wall simply by <br />' creating a systematic set of blocks that cannot dislodge. This has been evident in the <br />rock exposures on the south wall that have a broken reverse-stepped orientation, and <br />' that also expose the undersides of the foliation surfaces. <br /> <br />1-1 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />11 <br /> <br /> <br />r <br />-19- <br />