. Bulletin - United States National Museum. Science. 278 BULLETIN 103, UNITED STATES NATIONAL MUSEUM. The reefs of the St. Martin Plateau are superposed on an ante- cedent platform that was brought into its present relations to sea level by geologically Recent submergence to an amount of about 20 Fig. 13.—Chart of virgin islands and st. croix. From U. S. hydrogramiic chart no. 2318. Scale, ONE INCH^AEOUT NAUTICAL MILES. ST. CROIX ISLAND. This island rises above a bank about 30 miles long and 10 miles wide. The distance from the shore to the 100-f athom curve is usually. Please n
. Bulletin - United States National Museum. Science. 278 BULLETIN 103, UNITED STATES NATIONAL MUSEUM. The reefs of the St. Martin Plateau are superposed on an ante- cedent platform that was brought into its present relations to sea level by geologically Recent submergence to an amount of about 20 Fig. 13.—Chart of virgin islands and st. croix. From U. S. hydrogramiic chart no. 2318. Scale, ONE INCH^AEOUT NAUTICAL MILES. ST. CROIX ISLAND. This island rises above a bank about 30 miles long and 10 miles wide. The distance from the shore to the 100-f athom curve is usually. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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