Statistics for occurrence #1 of “Gen. Slack” in article 3 of The Daily Dispatch: May 31, 1862., [Electronic resource]:

...ents or battalions — in all about fifteen hundred men. It was with these men, and the fourth division Missouri State Guard, that Gen. Van-Darn, in his report of the battle of Elkhorn, speaks of Gen. Slack as "gallantly maintaining a continued and successful attack." At this battle, about noon, on March 7th, Gen. Slack was mortally wounded, the ball entering an inch above the old wound he received at O...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† 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.