. Construction materials for coastal structures. Coastal engineering; Building materials. San Francisco, California (1930). Figure 24. Concrete combination stepped and curved-face seawall ( Army, Corps of Engineers, CERC. 1977). 149. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moffatt & Nichol, Engineers; Coastal Engineering Research Center (U. S. ). Fort Belvoir, Va. : The Center

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