div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=pubsusgsgov-a-previous-interpretation-of-the-cover-sequence-rocks-showing-usagehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: pubsusgsgov · A Previous interpretation of the cover sequence rocks showing usage of Doll and others 1961 Chang and others 1965 and subdivisions of the Saltash Formation loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421095e895307b833e06b6670445ahtml5thumbnails1jpg width=140 height=200 divdiv