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Document Max. Freq Min. Freq
Harper's Encyclopedia of United States History (ed. Benson Lossing) 26 0 Browse Search
Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864 (ed. Frank Moore) 12 0 Browse Search
Admiral David D. Porter, The Naval History of the Civil War. 12 0 Browse Search
Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 3. (ed. Frank Moore) 10 0 Browse Search
George P. Rowell and Company's American Newspaper Directory containing accurate lists of all the newspapers and periodicals published in the United States and territories, and the dominion of Canada, and British Colonies of North America, together with a description of the towns and cities in which they are published: description of towns and cities. (ed. George P. Rowell and company) 8 0 Browse Search
Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 2. (ed. Frank Moore) 8 0 Browse Search
Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: Volume 2. 8 0 Browse Search
Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 1. (ed. Frank Moore) 6 0 Browse Search
Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1. 6 0 Browse Search
Jubal Anderson Early, Ruth Hairston Early, Lieutenant General Jubal A. Early , C. S. A. 4 0 Browse Search
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Browsing named entities in John G. Nicolay, The Outbreak of Rebellion. You can also browse the collection for Potomac River (United States) or search for Potomac River (United States) in all documents.

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John G. Nicolay, The Outbreak of Rebellion, Chapter 11: Kentucky. (search)
: Kentucky. The Alleghany or Appalachian mountain chain, a hundred miles broad and a thousand miles long, extending from New York to Alabama, naturally separated the country into two principal military divisions: that of the East, comprising the Atlantic Coast and the Atlantic States; that of the West, comprising the Mississippi River and its tributaries, and the whole immense territory of the Mississippi Valley. In the East, the line of hostility quickly established itself along the Potomac River, with Washington as its strategical centre; this grew partly out of the paramount necessity of defending the capital, but also largely from the fact that the line from the sea to the mountains was not more than a hundred miles long, and could therefore be occupied and observed without delay. In the West the distance from the mountains to the Mississippi River was nearly ten times as great. This alone would have retarded the definition of the military frontier; but the chief element of