div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: €¦ · Lincoln to Boston its course has altered considerably over the centuries The valley cut through the limestone ridge is well-defined at Lincoln but within 7 miles Il km src=https:reader034vdocumentsmxreader034viewer20220421205e99a523b3b6173c7028133bhtml5thumbnails1jpg 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: €¦ · Lincoln to Boston its course has altered considerably over the centuries The valley cut through the limestone ridge is well-defined at Lincoln but within 7 miles Il km src=https:reader034vdocumentsmxreader034viewer20220421205e99a523b3b6173c7028133bhtml5thumbnails2jpg 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: €¦ · Lincoln to Boston its course has altered considerably over the centuries The valley cut through the limestone ridge is well-defined at Lincoln but within 7 miles Il km src=https:reader034vdocumentsmxreader034viewer20220421205e99a523b3b6173c7028133bhtml5thumbnails3jpg 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: €¦ · Lincoln to Boston its course has altered considerably over the centuries The valley cut through the limestone ridge is well-defined at Lincoln but within 7 miles Il km src=https:reader034vdocumentsmxreader034viewer20220421205e99a523b3b6173c7028133bhtml5thumbnails4jpg 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: €¦ · Lincoln to Boston its course has altered considerably over the centuries The valley cut through the limestone ridge is well-defined at Lincoln but within 7 miles Il km src=https:reader034vdocumentsmxreader034viewer20220421205e99a523b3b6173c7028133bhtml5thumbnails5jpg 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: €¦ · Lincoln to Boston its course has altered considerably over the centuries The valley cut through the limestone ridge is well-defined at Lincoln but within 7 miles Il km src=https:reader034vdocumentsmxreader034viewer20220421205e99a523b3b6173c7028133bhtml5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdiv