The Ohio River Story - Part III (GM-25)
The course of the Ohio River from Ft. Knox, Kentucky, to Tell City, Indiana, follows the valley of a major stream that existed before the advancing glaciers brought the Ohio River into being. This preglacial stream carried drainage from the Blue River in Indiana and the Salt River in Kentucky in a meandering course that now is preserved in a somewhat straightened form. This is the only place where the Ohio has inherited a lengthy meandering preexisting valley. Several cutoff meanders - broad looping bottoms that now carry no major stream - are found along this stretch. These were formed where the Ohio cut across the narrow neck of a "moccasin bend", such as the one across from Leavenworth.

Our Hoosier State Beneath Us: Geomorphology

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