Statistics for occurrence #1 of “Rapidan river” in chapter 21 of Heros von Borcke, Memoirs of the Confederate War for Independence:

...cover that our antagonists had for once completely deceived us. The advance in front had only been made by some cavalry to occupy our attention while the main body had marched in the direction of the Rapidan river . With his accustomed quickness, Stuart divined at once the intentions of the Federal commander, and, leaving one regiment behind to watch the movements of the hostile cavalry, we directed our march...
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