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![Figure 34.—Coastal erosion initiated by undercutting of the bank (niche) that subsequently results in block collapse. Several ice wedges are exposed along the Beaufort Sea at Pitt Point, coast of northern Alaska (photograph by M.T. Jorgenson, ABR, Inc., Fairbanks, Alaska).](images/gallery-5/large/pp1386a5-fig34.jpg)
Figure 34.—Coastal erosion initiated by undercutting of the bank (niche) that subsequently results in block collapse. Several ice wedges are exposed along the
Beaufort Sea at Pitt Point, coast of northern Alaska (photograph by M.T. Jorgenson, ABR, Inc., Fairbanks, Alaska).
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