Statistics for occurrence #1 of “Jericho mills” in chapter 12, page 235 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

... Jericho mills
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Jericho Mills (Pennsylvania, United States) 53 4 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.