Statistics for occurrence #1 of “Rohrersville” in chapter 10.75 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 4.:

...Heights, and drove the enemy into his works. Working parties were employed in destroying the aqueduct of the canal over the Antietam, and the locks and canal-boats. On the 7th Rodes moved through Rohrersville on the road to Crampton's Gap in South Mountain, and skirmished with a small force of the enemy, while Breckinridge demonstrated against Maryland Heights. McCausland had occupied Hagerstown and lev...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Rohrersville (Maryland, United States) 127 2 1 0 0 user votes

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