div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=pubsusgsgov-amazon-basin-sonar-enabled-cartographers-to-map-the-ocean-floorhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: pubsusgsgov · Amazon basin Sonar enabled cartographers to map the ocean floor In 1975 a satellite gave cartographers their first global view of the Earth 1976—General Electric loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220423135edce25fad6a402d6667c10ehtml5thumbnails1jpg width=140 height=200 divdiv