div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentrha1p1-minnesota-department-of-natural-resources-minnesota-geological-survey-statehtmlpage=1 data-page=1 class=trans-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220502115f5d74e5405c767c853d8669html5thumbnails1jpg width=140 height=200 divdiv