Statistics for occurrence #1 of “Col. R. L. McCook” in alphabetic letter M, entry group 7, entry mill-spring-battle-of of Harper's Encyclopedia of United States History:

...s—Woolford's cavalry. A severe battle was soon afterwards begun on the side of the Nationals by the Kentucky and Ohio regiments and Captain Kinney's battery. It was becoming very warm, when Col. R. L. McCook came up with Ohio and Minnesota troops, also a Tennessee brigade and a section of artillery. For a time it was doubtful which side would prevail. They were hotly contesting the possession of a co...
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