Statistics for occurrence #1 of “Fort Darling” in chapter 7, page 170 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 II.:

...mate. The months of August and September are almost fatal to whites who live on that part of James river; and, even after you receive the reenforcements asked for, you admitted that you must reduce Fort Darling and the river batteries before you could advance on Richmond. It is by no means certain that the reduction of these fortifications would not require considerable time — perhaps as much as ...
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