Statistics for occurrence #1 of “Heintzelman” in chapter 3.9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

...of the Sudley Sulphur Spring House. This house, which stood some three miles north of the battlefield of the afternoon, marked the northern point of the detour of the divisions of Hunter and Heintzelman . The Confederate Colonel Evans, who held the extreme left of Beauregard's line, and whose suspicions had been aroused, marched upstream with half a brigade and confronted the turning column beyond ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
S. P. Heintzelman 835 29 21 1 0 user votes
Heintzelman 854 0 138 0 0 user votes
Samuel P. Heintzelman 366 0 12 0 0 user votes
S. V. Heintzelman 120 0 0 0 0 user votes
Mary L. Heintzelman 18 0 0 0 0 user votes
Rush B. Heintzelman 8 0 0 0 0 user votes
Samuel Peter Heintzelman 8 0 2 0 0 user votes
Mish T. Heintzelman 1 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.