. The Earth beneath the sea : History. Ocean bottom; Marine geophysics. SECT. 2] MICROTOPOGRAPHY 453. Fig. 22. 35° 12'N, 15° 18'W. Depth 1293 m. Seamount northeast of Madeira. Area of picture 1| by U m. (Photo by ) Symmetrical ripple marks in Globigerina sand (wave-length 25 cm).. 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 Hill, M. N. (Maurice Neville), 1919-. New York : Interscience Pub.

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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectoceanbottom