div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 11button div class=ts-image amp-img class=ts-thumb alt=Page 11: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails11jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 12button div class=ts-image amp-img class=ts-thumb alt=Page 12: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails12jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 13button div class=ts-image amp-img class=ts-thumb alt=Page 13: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails13jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 14button div class=ts-image amp-img class=ts-thumb alt=Page 14: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails14jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 15button div class=ts-image amp-img class=ts-thumb alt=Page 15: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails15jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 16button div class=ts-image amp-img class=ts-thumb alt=Page 16: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails16jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 17button div class=ts-image amp-img class=ts-thumb alt=Page 17: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails17jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 18button div class=ts-image amp-img class=ts-thumb alt=Page 18: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails18jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 19button div class=ts-image amp-img class=ts-thumb alt=Page 19: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails19jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 20button div class=ts-image amp-img class=ts-thumb alt=Page 20: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails20jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 21button div class=ts-image amp-img class=ts-thumb alt=Page 21: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails21jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 22button div class=ts-image amp-img class=ts-thumb alt=Page 22: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails22jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 23button div class=ts-image amp-img class=ts-thumb alt=Page 23: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails23jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 24button div class=ts-image amp-img class=ts-thumb alt=Page 24: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails24jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 25button div class=ts-image amp-img class=ts-thumb alt=Page 25: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled src=https:reader033vdocumentsusreader033viewer20220604025f0e78877e708231d43f67d4html5thumbnails25jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 26button div class=ts-image amp-img class=ts-thumb alt=Page 26: · 6 The ridge and swale topography was created as Lake Michigan levels receded from its post-glacial high from about 12000 years ago to approximately 6000 years ago Jansen prefiled 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