In Tennessee, Union forces surround Fort Donelson and begin probing attacks

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Brigadier General Grant marched his troops from the site of his recent victory at Fort Henry across land from the Tennessee River to the much more daunting Confederate strongpoint at Fort Donelson, on the banks of the Cumberland in Stewart County, Tennessee. In freezing winter weather, the Union forces surrounded the fort and its 17,000 defenders and began probing its defenses.  Meanwhile, a small attack by U.S. Navy gunboats tested the Confederate riverside gun emplacements.  (By John Osborne) 
Source Citation
David G. Martin, The Shiloh Campaign, March-April 1862 (Cambridge, MA: Da Capo Press, 2003), 30-31.  
How to Cite This Page: "In Tennessee, Union forces surround Fort Donelson and begin probing attacks," House Divided: The Civil War Research Engine at Dickinson College, https://hd.housedivided.dickinson.edu/index.php/node/38752.