Statistics for occurrence #1 of “Maryland Heights” in chapter 2.15, section c.2.15.37, page 74 of Southern Historical Society Papers, Volume 9.:

...
Leesburg, July 14, 1864. General,--After driving Sigel's whole force, of several thousand men, to Maryland Heights and demonstrating against him I moved, on the 8th, around his force, through Boonsboroa, Fox's and Crampton Gaps, and entered Frederick City on the morning of the 9th, driving the enemy's cavalry thr...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Maryland Heights (Maryland, United States) 1,168 6 6 0 0 user votes
Maryland Heights (Missouri, United States) 28 0 0 0 0 user votes
Maryland Heights (Louisiana, United States) 15 0 1 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.