Statistics for occurrence #1 of “lower Mississippi” in chapter 9 of Horace Greeley, The American Conflict: A History of the Great Rebellion in the United States of America, 1860-65: its Causes, Incidents, and Results: Intended to exhibit especially its moral and political phases with the drift and progress of American opinion respecting human slavery from 1776 to the close of the War for the Union. Volume I.:

...an insight into the cruelties and villainies of slaveholding — Wheeling being at that time a great thoroughfare for negro-traders and their prey on their route from Maryland and Virginia to the lower Mississippi . Before he made Wheeling his home, he had spent some time at Mount Pleasant, Ohio, whither he returned after learning his trade, and remained there two years, during which he married a young woman ...
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