Statistics for occurrence #1 of “Harpeth River” in chapter 10 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 4: The Cavalry:

...prominent part in the battle of Franklin, scoring a decisive victory over Forrest's cavalry under Chalmers, and pressing the foe so closely that the Confederate troopers were actually driven into the Harpeth River . This decisive action of the Union cavalry prevented Forrest from turning Schofield's left flank and cutting his line of retreat. In the battle of Nashville, which followed (December 15-16, 186...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Harpeth River (Tennessee, United States) 186 2 4 0 0 user votes

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