Statistics for occurrence #1 of “Mummasburg” in chapter 9.90 of Southern Historical Society Papers, Volume 10.:

...road, destroying the railroad bridges on the way, and to destroy the Junction and a bridge or two south of it, and then proceed to York, burning all the bridges up to that place. Having returned to Mummasburg that night, I moved next morning from that place with the rest of my command, through Hunterstown, New Chester, Hampton, and East Berlin, towards Dover, and camped a short distance beyond East Berlin...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mummasburg (Pennsylvania, United States) 86 18 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.