div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: USGS · OPEN-FILE REPORT 1490 3500 3300 3000 2800 900 600 600 600 30 143 2400 2000 800 30 144 30 30 145 3600 attempt to make a presentation of the sea floor topography in this src=https:reader036fdocumentsinreader036viewer20220630075fb982648be72169d46c9a78html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv