. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Loose or highly consol-do'ed sand ond gravel Reef rock p'at'orm. Windward Islet Leeward Islet (west) — Beach rock Sea level Hard rock Soft rock Beach rock Sea leve' Boulders -Erosion ramp L-OOSp nr lightly consol'doted sond ond grovel Leeward Islet (south) Sea level 2. Diagrammatic cross sections of islets on windward and leeward reefs of atolls showing positions of reef rock, unconsolidated materials, beach rock, rock platforms, and erosion Please note that these images are extracted from scanned page


. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Loose or highly consol-do'ed sand ond gravel Reef rock p'at'orm. Windward Islet Leeward Islet (west) — Beach rock Sea level Hard rock Soft rock Beach rock Sea leve' Boulders -Erosion ramp L-OOSp nr lightly consol'doted sond ond grovel Leeward Islet (south) Sea level 2. Diagrammatic cross sections of islets on windward and leeward reefs of atolls showing positions of reef rock, unconsolidated materials, beach rock, rock platforms, and erosion 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 Smithsonian Institution. Press; National Research Council (U. S. ). Pacific Science Board; Smithsonian Institution; National Museum of Natural History (U. S. ); United States. Bureau of Sport Fisheries and Wildlife. Washington, D. C. : [Smithsonian Press]


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