Statistics for occurrence #1 of “Maryland Heights” in chapter 6 of William Swinton, Campaigns of the Army of the Potomac:

...But what was worse, Ford, after opposing a very feeble and unskilful resistance to McLaws' attack on the 13th, retired to Harper's Ferry, spiking his guns and toppling them down the declivity. Thus Maryland Heights was abandoned altogether. McLaws succeeded in dragging some pieces up the rugged steep, and Jackson and Walker being already in position, the investment of Harper's Ferry was by the morning of the ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Maryland Heights (Maryland, United States) 1,168 36 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.