div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=rha1p1-minnesota-department-of-natural-resources-minnesota-geological-survey-statehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: RHA1P1 - Minnesota Department of Natural Resources · Minnesota Geological Survey State Map Series S-1 scale Keen KL and Shane LCK 1990 A continuous record of Holocene loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220502115f5d74e5405c767c853d8669html5thumbnails1jpg width=140 height=200 divdiv