Statistics for occurrence #1 of “Grand Pass” in chapter 4 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...ng against Indians and protecting stage routes. Stationed by detachments at Denver, Camps Collins, Curtis, Fillmore, Robbins, Weld and Canon City and at Forts Lyon and Garland. Skirmish at Grand Pass , Fort Halleck, Idaho, July 7, 1863 (Detachment). Expedition from Denver to Republican River, Kansas, April 8-23, 1864 (Co. D ). Skirmish near Fremont Orchard, Colo., April 12 (Cos. C an...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Grand Pass (Illinois, United States) 2 2 0 0 0 user votes
Grand Pass (Missouri, United States) 2 2 0 0 0 user votes

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