
Hamburg and the rugged blufflands of Dividing Ridge define this riverfront landscape in the late 1970s. This survey detail follows the shifting channels of the Mississippi River, where the Hamburg Ferry still provided a vital crossing link between Illinois and Missouri. The river valley is a complex network of backwaters and islands including Westport Island and Sterling Island, much of which is preserved within the Upper Mississippi River State Wildlife Management Area.
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This is the sole edition of this map. No revisions or reprints were ever made.
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