. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 28 TEXTURAL TYPES -C 0 6O-1 40- 20- 0J 60 i 40 a) Sample 15 Slightly Gravelly b) Sample 143 Slightly Gravelly Coarse Sands Medium Sands ®. 0 D) CO c 20 0 O k. 0 Q- 0 60 40- c) Sample 152 Sandy Gravels d) Sample 8 Gravelly Sands. 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.
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 28 TEXTURAL TYPES -C 0 6O-1 40- 20- 0J 60 i 40 a) Sample 15 Slightly Gravelly b) Sample 143 Slightly Gravelly Coarse Sands Medium Sands ®. 0 D) CO c 20 0 O k. 0 Q- 0 60 40- c) Sample 152 Sandy Gravels d) Sample 8 Gravelly Sands. 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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