div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=mascons-mare-rock-and-isostasyhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Mascons Mare Rock and Isostasy loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsmxreader035viewer2022073015575068421a28ab0f07af552bhtml5thumbnails1jpg width=140 height=200 divp© Nature Publishing Group1970pdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=mascons-mare-rock-and-isostasyhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Mascons Mare Rock and Isostasy loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsmxreader035viewer2022073015575068421a28ab0f07af552bhtml5thumbnails2jpg width=140 height=200 divp© Nature Publishing Group1970pdiv