Statistics for occurrence #1 of “Keokuk” in chapter 5 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

... District, the batteries on Sullivan's Island and Fort Sumter, it will be seen that— 1st. No ironclad came nearer than about six hundred yards of the rope obstructions except the disabled Keokuk , which dropped in, to about three hundred yards, before it could get again under way, but in a sinking condition; consequently, the propellers of the ironclads never could have become entangled in th...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Keokuk (Iowa, United States) 1 0 1 0 0 user votes
Keokuk (Missouri, United States) 0 0 0 0 0 user votes
Keokuk (Texas, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.